Thrust and Pressure | NCERT Class 9 Physics | Thrust and pressure Class 9th |
✔️ Class: 9th
✔️ Subject: Physics
✔️ Chapter: Gravitation (Chapter 10)
✔️ Topic Name: Thrust and Pressure
✔️ Topics Covered in This Video: Chapter 10 Gravitation Thrust and Pressure
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Introduction
Thrust and Pressure
Examples of Thrust and Pressure
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Thrust and Pressure
- Pressure is the force acting on a unit area of the object.
- The effect of a force depends on the area of the object on which it acts.
- The same force can produce different pressures depending on the area over which it acts.
- When a force acts over a large of an object, it products a small pressure.
- If same force acts over a small area of the object, it produces a large pressure.
- SI unit of pressure = N/m2 = Pascal (pa)
- 1 Pa = 1 Nm-2
- Thrust
- The force acting on a body perpendicular to its surface.
Pressure = thrust/area .
