Канал: QAofphysics

A block of mass 10 kg is moving on a rough surface as shown in figure. The frictional force

A block of mass 10 kg is moving on a rough surface as shown in figure. The frictional force

A block of mass 5kg rests on a
inclined plane at an angle of 30
0 with the
horizontal. If the

A block of mass 5kg rests on a inclined plane at an angle of 30 0 with the horizontal. If the

A wooden block of mass 0.8kg is
dragged along a level of frictionless surface by a
hanging block

A wooden block of mass 0.8kg is dragged along a level of frictionless surface by a hanging block

In the given arrangement, the normal force applied by block on the ground is

In the given arrangement, the normal force applied by block on the ground is

Block A of mass 4 kg is to be kept at rest against a smooth vertical wall by applying a force

Block A of mass 4 kg is to be kept at rest against a smooth vertical wall by applying a force

$The value of T_{3}/T_{1}$

The value of T_{3}/T_{1}

Three blocks are placed as shown in figure. Mass of A, B and Care m,, m, and m, respectively.

Three blocks are placed as shown in figure. Mass of A, B and Care m,, m, and m, respectively.

A book of mass 5kg is placed on a
table and it is pressed by 10N force then normal
force exerted

A book of mass 5kg is placed on a table and it is pressed by 10N force then normal force exerted

A block of mass m as shown in figure is pulled by a force 40 N. The tension at the middle of the

A block of mass m as shown in figure is pulled by a force 40 N. The tension at the middle of the

The tension in the string connected between blocks is

The tension in the string connected between blocks is

Three blocks of masses m, 4 kg, m, 2 kg. m, 4 kg are connected with ideal strings passing over a

Three blocks of masses m, 4 kg, m, 2 kg. m, 4 kg are connected with ideal strings passing over a

Two blocks of mass 2 kg and 4 kg are accelerated with same acceleration by a force 10 N as shown in

Two blocks of mass 2 kg and 4 kg are accelerated with same acceleration by a force 10 N as shown in

Two masses 2kg and 4kg are
connected at the two ends of light inextensible
string passing over a

Two masses 2kg and 4kg are connected at the two ends of light inextensible string passing over a

What force should be applied on the wedge so that block over it does not move? (All surfaces

What force should be applied on the wedge so that block over it does not move? (All surfaces

Find the tension in the horizontal string PQ and the string QR in the given figure. [Take

Find the tension in the horizontal string PQ and the string QR in the given figure. [Take

Select correct statement regarding
pseudo force

Select correct statement regarding pseudo force

A trolley is falling freely on inclined plane as shown in the figure. The angle of string of

A trolley is falling freely on inclined plane as shown in the figure. The angle of string of

If trolley accelerates horizontally with acceleration a then bob is displaced backward from its

If trolley accelerates horizontally with acceleration a then bob is displaced backward from its

A block of mass m is kept on horizontal tum table at distance from the centre. If coefficient of

A block of mass m is kept on horizontal tum table at distance from the centre. If coefficient of

A block of mass m kg is kept on a
weighing machine in an elevator. If the elevator is
retarding

A block of mass m kg is kept on a weighing machine in an elevator. If the elevator is retarding

A vehicle is moving on a road with an acceleration a = 20 m/s² as shown in figure. The frictional

A vehicle is moving on a road with an acceleration a = 20 m/s² as shown in figure. The frictional

In the given arrangement all surfaces are smooth. What acceleration should be given to the system

In the given arrangement all surfaces are smooth. What acceleration should be given to the system

A man of mass m is standing in an
elevator moving downward with an acceleration
𝑔
4
. The force

A man of mass m is standing in an elevator moving downward with an acceleration 𝑔 4 . The force

A projectile is thrown from level ground
at some angle theta from horizontal with speed u.
The

A projectile is thrown from level ground at some angle theta from horizontal with speed u. The

Two blocks of masses 2kg and 4kg are
hanging with the help of massless string passing
over

Two blocks of masses 2kg and 4kg are hanging with the help of massless string passing over

A particle of mass m strikes elastically
on a wall with velocity v, at an angle of 60° from
the

A particle of mass m strikes elastically on a wall with velocity v, at an angle of 60° from the

If impulse is I varies with time t as
I(kgm/s2
) = 20t2 – 40t. The change in momentum
is

If impulse is I varies with time t as I(kgm/s2 ) = 20t2 – 40t. The change in momentum is

The average force necessary to stop a
hammer with momentum p Ns in 0.5s is

The average force necessary to stop a hammer with momentum p Ns in 0.5s is

A cart loaded with sand moving with velocity v. Sand is falling through the hole as shown in diagram

A cart loaded with sand moving with velocity v. Sand is falling through the hole as shown in diagram

A body of mass 5kg is moving with
velocity of 𝑣
⃗
= (2𝑖̂+ 6𝑗̂)𝑚/𝑠 at t=0s. After time t
= 2s,

A body of mass 5kg is moving with velocity of 𝑣 ⃗ = (2𝑖̂+ 6𝑗̂)𝑚/𝑠 at t=0s. After time t = 2s,

A ball is moving towards the wall as shown in diagram then its momentum is conserved

A ball is moving towards the wall as shown in diagram then its momentum is conserved

If final momentum is equal to initial
momentum of the system then

If final momentum is equal to initial momentum of the system then

An initially stationary device lying on
a frictionless floor explodes into two pieces and
slides

An initially stationary device lying on a frictionless floor explodes into two pieces and slides

A ball is moving with speed 20 m/s collides with a smooth surface as shown in figure. The magnitude

A ball is moving with speed 20 m/s collides with a smooth surface as shown in figure. The magnitude

A body of mass m is projected with
initial speed u at an angle 𝜃 with horizontal. The
change in

A body of mass m is projected with initial speed u at an angle 𝜃 with horizontal. The change in

A ball of mass m is moving towards a
player with velocity v. if player stopped it, then
impulse

A ball of mass m is moving towards a player with velocity v. if player stopped it, then impulse

Impulse on a body is equal to

Impulse on a body is equal to

A machine gun fires n bullets per
second with speed u and mass of each bullet is m.
If bullets hit

A machine gun fires n bullets per second with speed u and mass of each bullet is m. If bullets hit

Working of the rocket is based on

Working of the rocket is based on

Impulse on a body is equal to

Impulse on a body is equal to

The momentum p(in kg m/s) of a
particle is varying with time (in s) as p = 2 + 3t2
. The
force

The momentum p(in kg m/s) of a particle is varying with time (in s) as p = 2 + 3t2 . The force

A body of mass 6kg is acted on by a
force so that its velocity changes from 3m/s to 5
m/s, then

A body of mass 6kg is acted on by a force so that its velocity changes from 3m/s to 5 m/s, then

According to Newton’s 2nd law of motion
correct equation is (where symbols have their usual

According to Newton’s 2nd law of motion correct equation is (where symbols have their usual

Inertia of a body has direct dependence
on

Inertia of a body has direct dependence on

The concept of inertia is explained in

The concept of inertia is explained in

A 800kg rocket is fired from earth so
that exhaust speed is 1200m/s. Then calculate mass
of fuel

A 800kg rocket is fired from earth so that exhaust speed is 1200m/s. Then calculate mass of fuel

Two objects each of mass 5kg are
moving in the same straight line but in the opposite
directions

Two objects each of mass 5kg are moving in the same straight line but in the opposite directions

A ball of mass m strikes a rigid wall with speed v and gets reflected without any loss of speed, as

A ball of mass m strikes a rigid wall with speed v and gets reflected without any loss of speed, as

A force 𝐹
⃗
= (2t𝑖̂+ 3t2
𝑗̂)𝑁 acts on an
object moving in xy plane. Find the magnitude of
change

A force 𝐹 ⃗ = (2t𝑖̂+ 3t2 𝑗̂)𝑁 acts on an object moving in xy plane. Find the magnitude of change

The displacement x of a particle
varies with time t as x = ae-α t + b𝑒
𝛽𝑡, where a, b,
α,𝛽 are

The displacement x of a particle varies with time t as x = ae-α t + b𝑒 𝛽𝑡, where a, b, α,𝛽 are

𝑇𝑤𝑜 𝑝𝑎𝑟𝑡𝑖𝑐𝑙𝑒𝑠 𝐴 𝑎𝑛𝑑 𝐵 𝑚𝑜𝑣𝑒𝑠 𝑤𝑖𝑡ℎ
constant velocities 𝑣⃗ 1
and 𝑣⃗⃗2
. At the initial
moment their

𝑇𝑤𝑜 𝑝𝑎𝑟𝑡𝑖𝑐𝑙𝑒𝑠 𝐴 𝑎𝑛𝑑 𝐵 𝑚𝑜𝑣𝑒𝑠 𝑤𝑖𝑡ℎ constant velocities 𝑣⃗ 1 and 𝑣⃗⃗2 . At the initial moment their

In the product
𝐹
⃗
= 𝑞(𝑣
⃗ × 𝐵⃗⃗
)
= q𝑣
⃗ (B𝑖̂+ B𝑗̂+Bo𝑘̂)
For q=1 and 𝑣
⃗
= (2𝑖̂+ 4𝑗̂+6𝑘̂) and

In the product 𝐹 ⃗ = 𝑞(𝑣 ⃗ × 𝐵⃗⃗ ) = q𝑣 ⃗ (B𝑖̂+ B𝑗̂+Bo𝑘̂) For q=1 and 𝑣 ⃗ = (2𝑖̂+ 4𝑗̂+6𝑘̂) and

The position vector of a particle overline R as a function of time is given by vec R =4 sin(2pi*t)

The position vector of a particle overline R as a function of time is given by vec R =4 sin(2pi*t)

A particle moving with uniform
speed in a circular path maintains

A particle moving with uniform speed in a circular path maintains

A bullet is fired from a gun at the
speed of 280 m s–1 in the direction 30° above the
horizontal

A bullet is fired from a gun at the speed of 280 m s–1 in the direction 30° above the horizontal

A ball is projected with a velocity, 10
ms-1
, at an angle of 60° with the vertical direction.

A ball is projected with a velocity, 10 ms-1 , at an angle of 60° with the vertical direction.

The angular speed of a fly wheel
moving with uniform angular acceleration changes

The angular speed of a fly wheel moving with uniform angular acceleration changes

A particle moves so that its position
vector is given by 𝑟
⃗
= 𝑐𝑜𝑠𝜔𝑡𝑥̂ + sin 𝜔𝑡𝑦̂, where 𝜔
is a

A particle moves so that its position vector is given by 𝑟 ⃗ = 𝑐𝑜𝑠𝜔𝑡𝑥̂ + sin 𝜔𝑡𝑦̂, where 𝜔 is a

The vector sum of two forces is
perpendicular to their vector differences. In that
case, the force

The vector sum of two forces is perpendicular to their vector differences. In that case, the force

A football player is moving southward
and suddenly turns eastward with the same speed
to avoid an

A football player is moving southward and suddenly turns eastward with the same speed to avoid an

The speed of a boat is 5km/h in still
water. It crosses a river of width 1.0km along the
shortest

The speed of a boat is 5km/h in still water. It crosses a river of width 1.0km along the shortest

Identify the vector quantity among
the follow

Identify the vector quantity among the follow

A wheel has angular acceleration of
3.0 rad/s2 and an initial angular speed of 2.00
rad/s. In a

A wheel has angular acceleration of 3.0 rad/s2 and an initial angular speed of 2.00 rad/s. In a

A particle move along a circle of
radius (20
𝜋
)m with constant tangential acceleration.
If the

A particle move along a circle of radius (20 𝜋 )m with constant tangential acceleration. If the

If |𝐴
⃗
+ 𝐵⃗⃗| = |𝐴
⃗| = |𝐵⃗⃗
| then angle
between A and B will be

If |𝐴 ⃗ + 𝐵⃗⃗| = |𝐴 ⃗| = |𝐵⃗⃗ | then angle between A and B will be

Two particles having mass M and m
are moving in a circular path having radius R and r.
If their

Two particles having mass M and m are moving in a circular path having radius R and r. If their

A person aiming to reach exactly
opposite point on the bank of a stream is
swimming with a speed

A person aiming to reach exactly opposite point on the bank of a stream is swimming with a speed

Two racing cars of masses m1 and m2
are moving in circles of radii r1 and r2 respectively.
The

Two racing cars of masses m1 and m2 are moving in circles of radii r1 and r2 respectively. The

Two particles A and B are connected by a rigid rod AB. The rod slides along perpendicular rails as

Two particles A and B are connected by a rigid rod AB. The rod slides along perpendicular rails as

An object is being thrown at a speed
of 20m/s in a direction 45° above the horizontal.
The time

An object is being thrown at a speed of 20m/s in a direction 45° above the horizontal. The time

Which of the following is correct
relation between an arbitrary vector 𝐴
⃗
and null
vector 0⃗⃗
?

Which of the following is correct relation between an arbitrary vector 𝐴 ⃗ and null vector 0⃗⃗ ?

A boat is sent across a river with a
velocity of 8km/h. If the resultant velocity of the
boat is

A boat is sent across a river with a velocity of 8km/h. If the resultant velocity of the boat is

If the angle between the vector 𝐴
⃗
and 𝐵⃗⃗
is 𝜃, the value of the product (𝐵⃗⃗
× 𝐴
⃗
). 𝐴
⃗
is

If the angle between the vector 𝐴 ⃗ and 𝐵⃗⃗ is 𝜃, the value of the product (𝐵⃗⃗ × 𝐴 ⃗ ). 𝐴 ⃗ is

Two boys are standing at the ends A
and B of a ground, where AB = a. The boy at B
starts running

Two boys are standing at the ends A and B of a ground, where AB = a. The boy at B starts running

A stone tied to the end of a string of 1 m long is whirled in a horizontal circle with a constant

A stone tied to the end of a string of 1 m long is whirled in a horizontal circle with a constant

If a vector 2𝑖̂+ 3𝑗̂+ 8𝑘̂ is
perpendicular to the vector 4𝑗̂− 4𝑖̂+ 𝛼𝑘̂ , then
the value of 𝛼 is

If a vector 2𝑖̂+ 3𝑗̂+ 8𝑘̂ is perpendicular to the vector 4𝑗̂− 4𝑖̂+ 𝛼𝑘̂ , then the value of 𝛼 is

The vectors 𝐴
⃗
and 𝐵⃗⃗
are such that
|𝐴
⃗
+ 𝐵⃗⃗
|= |𝐴
⃗ − 𝐵⃗⃗
|. The angle between the two

The vectors 𝐴 ⃗ and 𝐵⃗⃗ are such that |𝐴 ⃗ + 𝐵⃗⃗ |= |𝐴 ⃗ − 𝐵⃗⃗ |. The angle between the two

A car runs at a constant speed on a
circular track of radius 100m, taking 62.8s for
every

A car runs at a constant speed on a circular track of radius 100m, taking 62.8s for every

For angles of projection of a
projectile at angles (45° − 𝜃) and (45° − 𝜃), the
horizontal

For angles of projection of a projectile at angles (45° − 𝜃) and (45° − 𝜃), the horizontal

𝐴
⃗
and 𝐵⃗⃗
are two vectors and 𝜃 is the
angle between them, if |𝐴
⃗
× 𝐵⃗⃗
|=√3(𝐴
⃗. 𝐵⃗⃗
)

𝐴 ⃗ and 𝐵⃗⃗ are two vectors and 𝜃 is the angle between them, if |𝐴 ⃗ × 𝐵⃗⃗ |=√3(𝐴 ⃗. 𝐵⃗⃗ )

A particle starting from the origin
(0,0) moves in a straight line in the (x ,y) plane. Its

A particle starting from the origin (0,0) moves in a straight line in the (x ,y) plane. Its

A particle of mass m is projected with
velocity v making an angle of 45° with the
horizontal

A particle of mass m is projected with velocity v making an angle of 45° with the horizontal

A particle has initial velocity (3𝑖̂+4𝑗̂)
and has acceleration (0.4𝑖̂+0.3𝑗̂). Its speed after
10s

A particle has initial velocity (3𝑖̂+4𝑗̂) and has acceleration (0.4𝑖̂+0.3𝑗̂). Its speed after 10s

A particle moves in x-y plane
according to rule x = asin𝜔𝑡 and y = acos𝜔𝑡. The
particle follows

A particle moves in x-y plane according to rule x = asin𝜔𝑡 and y = acos𝜔𝑡. The particle follows

The speed of a projectile at its
maximum height is half of its initial speed. The
angle of

The speed of a projectile at its maximum height is half of its initial speed. The angle of

Six vectors, a to f have the magnitudes and directions indicated in the figure. Which of the

Six vectors, a to f have the magnitudes and directions indicated in the figure. Which of the

A projectile is fired at an angle of 45°
with the horizontal. Elevation angle of the
projectile at

A projectile is fired at an angle of 45° with the horizontal. Elevation angle of the projectile at

A missile is fired for maximum range
with an initial velocity of 20m/s. If g=10m/s2
, the
range

A missile is fired for maximum range with an initial velocity of 20m/s. If g=10m/s2 , the range

A body is moving with velocity 30m/s
towards east. After 10s its velocity becomes
40m/s towards

A body is moving with velocity 30m/s towards east. After 10s its velocity becomes 40m/s towards

A particle moves in a circle of radius
5cm with constant speed and time period of
0.2𝜋𝑠. The

A particle moves in a circle of radius 5cm with constant speed and time period of 0.2𝜋𝑠. The

A particle has initial velocity (2𝑖̂+3𝑗̂)
and acceleration (0.3𝑖̂+0.2𝑗̂). The magnitude of
velocity

A particle has initial velocity (2𝑖̂+3𝑗̂) and acceleration (0.3𝑖̂+0.2𝑗̂). The magnitude of velocity

The horizontal range and the
maximum height of projectile are equal. The angle
of projection

The horizontal range and the maximum height of projectile are equal. The angle of projection

The velocity of a projectile at the
initial point A (2𝑖̂+3𝑗̂) m/s. Its velocity

The velocity of a projectile at the initial point A (2𝑖̂+3𝑗̂) m/s. Its velocity

A particle is moving such that its
position coordinates (x,y) are
(2m,3m) at time t =0,
(6m, 7m)

A particle is moving such that its position coordinates (x,y) are (2m,3m) at time t =0, (6m, 7m)

A projectile is fired from the surface
of the earth with a velocity of 5m/s and angle 𝜃
with

A projectile is fired from the surface of the earth with a velocity of 5m/s and angle 𝜃 with

A ship A is moving Westwards with a
speed of 10km/h and a ship B 100km south of A,
is moving

A ship A is moving Westwards with a speed of 10km/h and a ship B 100km south of A, is moving

A particle of mass 10g moves along a
circle of radius 6.4cm with a constant tangential

A particle of mass 10g moves along a circle of radius 6.4cm with a constant tangential

If the magnitude of sum of two vectors
is equal to the magnitude of difference of the two

If the magnitude of sum of two vectors is equal to the magnitude of difference of the two

In the given figure, a 15 m/s² represents the total acceleration of a particle moving in the

In the given figure, a 15 m/s² represents the total acceleration of a particle moving in the

The x and y coordinates of the
particles at any time are x = 5t – 2t2 and y = 10t
respectively,

The x and y coordinates of the particles at any time are x = 5t – 2t2 and y = 10t respectively,

Two particles A and B are moving in
uniform circular motion in concentric circles of
radii rA and

Two particles A and B are moving in uniform circular motion in concentric circles of radii rA and

The speed of a swimmer in still water is
20m/s. The speed of river water is 10m/s and is
flowing

The speed of a swimmer in still water is 20m/s. The speed of river water is 10m/s and is flowing

When an object is shot from the
bottom of a long smooth inclined plane kept at an
angle 60° with

When an object is shot from the bottom of a long smooth inclined plane kept at an angle 60° with

Two bullets are fired horizontally and
simultaneously towards each other from roof tops
of two

Two bullets are fired horizontally and simultaneously towards each other from roof tops of two

The equation of trajectory of a
projectile is given as y = 2x -
𝑥
2
2
. The maximum
height of

The equation of trajectory of a projectile is given as y = 2x - 𝑥 2 2 . The maximum height of

A projectile is thrown up at angle 𝜃
to the horizontal ground from a fixed point and its
hits the

A projectile is thrown up at angle 𝜃 to the horizontal ground from a fixed point and its hits the

A body is thrown at some angle
from the ground. The magnitude of change in
velocity of body in 5s,

A body is thrown at some angle from the ground. The magnitude of change in velocity of body in 5s,

To a stationary man rain is falling on
his back with a velocity 6km/h at an angle 30°
with vertical

To a stationary man rain is falling on his back with a velocity 6km/h at an angle 30° with vertical

A particle is moving in parabolic path
y = 4x2 with constant speed 𝑣0 𝑚/𝑠. The
acceleration of the

A particle is moving in parabolic path y = 4x2 with constant speed 𝑣0 𝑚/𝑠. The acceleration of the

If unit vector 𝑖̂is rotated through an
angle of 30° clockwise, then new vector obtained
is

If unit vector 𝑖̂is rotated through an angle of 30° clockwise, then new vector obtained is

A particle is projected with a velocity
𝑣
⃗
=(3𝑖̂− 𝑗̂+ 2𝑘̂)m/s and a constant acceleration
acting

A particle is projected with a velocity 𝑣 ⃗ =(3𝑖̂− 𝑗̂+ 2𝑘̂)m/s and a constant acceleration acting

A gun is fitted on platform moving
with velocity 𝑣⃗ 1

= 10𝑖̂m/s. A bullet is fired from
the gun

A gun is fitted on platform moving with velocity 𝑣⃗ 1 = 10𝑖̂m/s. A bullet is fired from the gun

A projectile is projected at some
angle from the ground towards east in the
absence of air

A projectile is projected at some angle from the ground towards east in the absence of air

A particle is projected with velocity
10m/s at an angle of 60° from ground. Then the
vertical

A particle is projected with velocity 10m/s at an angle of 60° from ground. Then the vertical

Given graph (for a projectile motion) shows variation of vertical velocity (y-component of vector)

Given graph (for a projectile motion) shows variation of vertical velocity (y-component of vector)

Person A is moving towards west with
speed 3km/h and B is moving towards north with

Person A is moving towards west with speed 3km/h and B is moving towards north with

If an object is moving on a curved
path, then which of the following physical
quantities may be

If an object is moving on a curved path, then which of the following physical quantities may be

A particle is in uniform circular
motion with speed vo. The change in magnitude of
velocity when

A particle is in uniform circular motion with speed vo. The change in magnitude of velocity when

A car moves on a circular path of
radius 5m. At one instant the speed of car is 5m/s
and it is

A car moves on a circular path of radius 5m. At one instant the speed of car is 5m/s and it is

A particle is moving in a circle of radius R = 3m with an angular speed 2 radian per second in

A particle is moving in a circle of radius R = 3m with an angular speed 2 radian per second in

A projectile is thrown at an angle 37°
from the vertical. The angle of elevation of the
highest

A projectile is thrown at an angle 37° from the vertical. The angle of elevation of the highest

An object is released at one bank into
a river flowing with speed 5 km/h towards east.
Air is

An object is released at one bank into a river flowing with speed 5 km/h towards east. Air is

Under usual notation which of the
following expressions represents equation of
trajectory of

Under usual notation which of the following expressions represents equation of trajectory of

A man moves on horizontal road
towards east at a speed of 1km/hr and the rain
appears to him

A man moves on horizontal road towards east at a speed of 1km/hr and the rain appears to him

A swimmer crosses a river in shortest
distance. If he tries to swim at 4km/hr maintaining
120°

A swimmer crosses a river in shortest distance. If he tries to swim at 4km/hr maintaining 120°

The position co-ordinates of a
projectile thrown from ground are given by y =
(12t – 5t2
)m and x

The position co-ordinates of a projectile thrown from ground are given by y = (12t – 5t2 )m and x

In an oblique projectile on horizontal
ground the horizontal range is four times the maximum
height

In an oblique projectile on horizontal ground the horizontal range is four times the maximum height

In a uniform circular motion the
quantity which is variable is

In a uniform circular motion the quantity which is variable is

A car on the cross road is moving towards
east at a speed of 40km/hr. Another car which is 1km

A car on the cross road is moving towards east at a speed of 40km/hr. Another car which is 1km

If resultant of two unit vectors
𝑎̂ and̂𝑏 𝑖𝑠 𝑎𝑙𝑠𝑜 𝑎 𝑢𝑛𝑖𝑡 vector, then magnitude of
difference of

If resultant of two unit vectors 𝑎̂ and̂𝑏 𝑖𝑠 𝑎𝑙𝑠𝑜 𝑎 𝑢𝑛𝑖𝑡 vector, then magnitude of difference of

If the kinetic energy of an oblique
projectile at its maximum height is half of its initial

If the kinetic energy of an oblique projectile at its maximum height is half of its initial

Ratio of angular speed of second’s
hand to hour hand of a standard clock is

Ratio of angular speed of second’s hand to hour hand of a standard clock is

The resultant of two vectors is
perpendicular to one of them and has the
magnitude 4m. If the sum

The resultant of two vectors is perpendicular to one of them and has the magnitude 4m. If the sum

A bus with a vertical wind shield
moves horizontally at a speed of 40 km/hr, while
rain is

A bus with a vertical wind shield moves horizontally at a speed of 40 km/hr, while rain is

A swimmer reaches the other bank of
a flowing river exactly opposite to the starting
point. If he

A swimmer reaches the other bank of a flowing river exactly opposite to the starting point. If he

A particle moves in x-y plane with a
velocity 𝑣
⃗
= 2𝑦𝑖̂+ 4𝑗. Equation of the path ̂
followed by

A particle moves in x-y plane with a velocity 𝑣 ⃗ = 2𝑦𝑖̂+ 4𝑗. Equation of the path ̂ followed by

A car moving toward north at a speed
of 10m/s turns right within 10s maintaining the
same speed.

A car moving toward north at a speed of 10m/s turns right within 10s maintaining the same speed.

The speed at the maximum height of
a projectile is half of its initial speed of
projection(u). The

The speed at the maximum height of a projectile is half of its initial speed of projection(u). The

The position coordinates of a
projectile thrown from ground are given by y = 3t
– 5t2
(m) and x =

The position coordinates of a projectile thrown from ground are given by y = 3t – 5t2 (m) and x =

The angle of projection of a projectile
which is projected with certain velocity from
ground is

The angle of projection of a projectile which is projected with certain velocity from ground is

A man is walking on a horizontal road
at velocity of 5km/h and rain appears to be falling

A man is walking on a horizontal road at velocity of 5km/h and rain appears to be falling

If a body is moving in circular path of
radius 14m. it complete one revolution in 7s.
Considering

If a body is moving in circular path of radius 14m. it complete one revolution in 7s. Considering

In uniform circular motion

In uniform circular motion

A body is projected horizontally with
speed 5m/s from height h, takes 8s to reach the
ground. Then

A body is projected horizontally with speed 5m/s from height h, takes 8s to reach the ground. Then

A projectile is projected with initial
velocity (6𝑖̂+ 8𝑗̂) m/s, from the ground. The
velocity when

A projectile is projected with initial velocity (6𝑖̂+ 8𝑗̂) m/s, from the ground. The velocity when

Displacement (𝑟
⃗) of a particle in x-y
plane varies with time t is given by 𝑟
⃗
= (t
2
𝑖̂+ 2𝑗̂)m.

Displacement (𝑟 ⃗) of a particle in x-y plane varies with time t is given by 𝑟 ⃗ = (t 2 𝑖̂+ 2𝑗̂)m.

A man is running with velocity 5
km/h toward east and rain is falling vertically
down with speed

A man is running with velocity 5 km/h toward east and rain is falling vertically down with speed

Equation of motion of projectile in x-y
plane is y = ax – bx2
, then angle of projection with

Equation of motion of projectile in x-y plane is y = ax – bx2 , then angle of projection with

Particle A is moving with velocity (6𝑖̂
+ 10𝑗̂) m/s and particle B is moving with velocity
(3𝑖̂+ 6𝑗̂

Particle A is moving with velocity (6𝑖̂ + 10𝑗̂) m/s and particle B is moving with velocity (3𝑖̂+ 6𝑗̂

Four vectors 𝑃⃗⃗⃗⃗𝑄⃗
, 𝑄𝑅⃗⃗⃗⃗⃗
, 𝑃𝑆⃗⃗⃗⃗
𝑎𝑛𝑑 𝑆𝑅⃗⃗⃗⃗⃗
are
connected as shown in figure, such that

Four vectors 𝑃⃗⃗⃗⃗𝑄⃗ , 𝑄𝑅⃗⃗⃗⃗⃗ , 𝑃𝑆⃗⃗⃗⃗ 𝑎𝑛𝑑 𝑆𝑅⃗⃗⃗⃗⃗ are connected as shown in figure, such that

If two vectors 𝑃⃗
= 𝑎𝑖̂+ 5𝑗̂and 𝑄⃗
=
𝑏𝑖̂+ 5𝑗̂are equal, then the correct relation
between a and

If two vectors 𝑃⃗ = 𝑎𝑖̂+ 5𝑗̂and 𝑄⃗ = 𝑏𝑖̂+ 5𝑗̂are equal, then the correct relation between a and

Two vectors 𝐴
⃗
and 𝐵⃗⃗
can be added by

Two vectors 𝐴 ⃗ and 𝐵⃗⃗ can be added by

The correct relation between vector P,Q and R is

The correct relation between vector P,Q and R is

The distance of a particle moving on
a circle of radius 12m measured from a fixed point
on the

The distance of a particle moving on a circle of radius 12m measured from a fixed point on the

An object moving in a circular path at
constant speed has constant

An object moving in a circular path at constant speed has constant

A body is moving on a circle of radius
80m with a speed 20m/s which is decreasing at
the rate 5m/s2

A body is moving on a circle of radius 80m with a speed 20m/s which is decreasing at the rate 5m/s2

If the frequency of an object in
uniform circular motion is doubled, its
acceleration becomes

If the frequency of an object in uniform circular motion is doubled, its acceleration becomes

Centripetal acceleration of a cyclist
completing 7 rounds in a minute along a circular
track of

Centripetal acceleration of a cyclist completing 7 rounds in a minute along a circular track of

A body performing uniform circular
motion completed 140 revolution in a second. Its
angular

A body performing uniform circular motion completed 140 revolution in a second. Its angular

Speed of an object moving in circular
path of radius 10m with angular speed 2rad/s is

Speed of an object moving in circular path of radius 10m with angular speed 2rad/s is

Angular speed of a uniformly
circulating body with time period T is

Angular speed of a uniformly circulating body with time period T is

Two cyclists cycle along circular tracks
of radii R1 and R2 at uniform rates. If both of them

Two cyclists cycle along circular tracks of radii R1 and R2 at uniform rates. If both of them

The angle between velocity vector
and acceleration vector in uniform circular motion
is

The angle between velocity vector and acceleration vector in uniform circular motion is

A boy whirls a stone tied to a thread,
such that the stone moves uniformly in a circle.
What

A boy whirls a stone tied to a thread, such that the stone moves uniformly in a circle. What

An object revolves uniformly in a
circle of diameter 0.80m and completes 100
revolutions per

An object revolves uniformly in a circle of diameter 0.80m and completes 100 revolutions per

At what angle of elevation, should a
projectile be projected with velocity 20m/s, so as
to reach

At what angle of elevation, should a projectile be projected with velocity 20m/s, so as to reach

At the topmost point of its path, a
projectile has acceleration of magnitude

At the topmost point of its path, a projectile has acceleration of magnitude

The time of flight of an object
projected with speed of 20m/s at an angle 30°
with the

The time of flight of an object projected with speed of 20m/s at an angle 30° with the

The maximum height attained by a
ball projected with speed 20m/s at an angle
45° with the

The maximum height attained by a ball projected with speed 20m/s at an angle 45° with the

If a stone projected from ground,
takes 4s to reach the topmost point of its
trajectory, then time

If a stone projected from ground, takes 4s to reach the topmost point of its trajectory, then time

Which of the following is not a
projectile

Which of the following is not a projectile

The path of a projectile is

The path of a projectile is

A cricket ball of mass m is hitted at
the angle of 45° to the horizontal with velocity v.
its

A cricket ball of mass m is hitted at the angle of 45° to the horizontal with velocity v. its

The horizontal ranges described by
two projectiles, projected at angles (45°-𝜃) and
(45°+ 𝜃)

The horizontal ranges described by two projectiles, projected at angles (45°-𝜃) and (45°+ 𝜃)

At the topmost point of a trajectory,
its velocity and acceleration are at an angle of

At the topmost point of a trajectory, its velocity and acceleration are at an angle of

A body is thrown horizontally from
the top of a tower and strikes the ground after
three seconds

A body is thrown horizontally from the top of a tower and strikes the ground after three seconds

The initial speed of an arrow shot
from bow, at an elevation of 30°, is 15m/s. Find its
velocity

The initial speed of an arrow shot from bow, at an elevation of 30°, is 15m/s. Find its velocity

A ball is thrown with a speed of
20m/s at an elevation angle 45°. Find its time of
flight and the

A ball is thrown with a speed of 20m/s at an elevation angle 45°. Find its time of flight and the

a displacement vector of a magnitude for makes an angle 30 degree with the x-axis its rectangular

a displacement vector of a magnitude for makes an angle 30 degree with the x-axis its rectangular

a bus appear to go with a speed of 25 km per hour to a car driver driving at the rate 7 km per hour

a bus appear to go with a speed of 25 km per hour to a car driver driving at the rate 7 km per hour

the velocity of a and b are vector A is equal to 2ICAP + 4 j cap and b is equal to 3 ICAP - 7 j cap

the velocity of a and b are vector A is equal to 2ICAP + 4 j cap and b is equal to 3 ICAP - 7 j cap

the initial position of an object at rest is given by 3 ICAP - 8 j cap its move with constant

the initial position of an object at rest is given by 3 ICAP - 8 j cap its move with constant

A body lying initially at a point 3,7 start moving with a constant acceleration of 4i. its position

A body lying initially at a point 3,7 start moving with a constant acceleration of 4i. its position

the position vector of an object at any time t is given by 3t2ICAP + 6t j cap + k cap its velocity

the position vector of an object at any time t is given by 3t2ICAP + 6t j cap + k cap its velocity

a particle has initial velocity of 3 ICAP + 4 j cap and an acceleration of 0.4 ICAP + 0.3 j cap the

a particle has initial velocity of 3 ICAP + 4 j cap and an acceleration of 0.4 ICAP + 0.3 j cap the

a body moves 6m North. 8 m east and 10 m vertically upwards the resultant displacement of a body

a body moves 6m North. 8 m east and 10 m vertically upwards the resultant displacement of a body

three forces given by vector to 2i+ 2 j , 2i - 2 j and -4i are acting together on a point object at

three forces given by vector to 2i+ 2 j , 2i - 2 j and -4i are acting together on a point object at

the displacement of a particle from a point having position vector 2i + 4 j cap to another point

the displacement of a particle from a point having position vector 2i + 4 j cap to another point

A man swims across a river with
speed of 5 kmh-1
(in still water), while a boat goes
upstream

A man swims across a river with speed of 5 kmh-1 (in still water), while a boat goes upstream

An object has a velocity 𝑣⃗
= (2𝑖̂ +
4𝑗̂) 𝑚/𝑠 at time t = 0 s. It undergoes a constant

An object has a velocity 𝑣⃗ = (2𝑖̂ + 4𝑗̂) 𝑚/𝑠 at time t = 0 s. It undergoes a constant

The position of a particle is expressed
as 𝑟
⃗
= (4t2
𝑖̂+ 2t𝑗̂) m, where t is time in second.
Find

The position of a particle is expressed as 𝑟 ⃗ = (4t2 𝑖̂+ 2t𝑗̂) m, where t is time in second. Find

The maximum number of rectangular
component

The maximum number of rectangular component

If 𝑃⃗
+ 𝑄⃗
= 𝑃⃗ − 𝑄⃗
, then

If 𝑃⃗ + 𝑄⃗ = 𝑃⃗ − 𝑄⃗ , then

If 𝑃⃗
+ 𝑄⃗
= 0⃗
, then which of the
following is necessarily true?

If 𝑃⃗ + 𝑄⃗ = 0⃗ , then which of the following is necessarily true?

A vector multiplied by the number 0,
results into

A vector multiplied by the number 0, results into

The magnitude of 𝑖
̂
+ 𝑗
̂is

The magnitude of 𝑖 ̂ + 𝑗 ̂is

Unit vector does not have any
(1) Direction
(2) Magnitude
(3) Unit
(4) All of these

Unit vector does not have any (1) Direction (2) Magnitude (3) Unit (4) All of these

A vector is added to an equal and
opposite vector of similar nature, forms a

A vector is added to an equal and opposite vector of similar nature, forms a

Which of the following represents a
unit vector?

Which of the following represents a unit vector?

𝐴
⃗
+ 𝐵⃗⃗
can also be written as

𝐴 ⃗ + 𝐵⃗⃗ can also be written as