GRAVITATION#5 THRUST AND PRESSURE//CLASS IX NTSE/IIT/JEE/NEET FOUNDATION

The force acting on any surface in direction perpendicular to the surface is called thrust.
Thrust is a vector quantity.
Force per unit area of the surface acting in direction perpendicular(or normal) to it is called pressure.
P=F/A.

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OTHER TOPIC OF THIS CHAPTER By Sangeeta khatri Maam
GRAVITATION............................

EP-1: EQUATION OF MOTION FOR FREE FALLING BODY: https://youtu.be/O4BZzBbz3hY
EP-2: VALUE OF g ON MOON: https://youtu.be/saAaNA0QcOQ
EP-3: THRUST AND PRESSURE: https://youtu.be/F3BrT1QWIDY
EP-4: BUOYANCY AND UPTHRUST: https://youtu.be/cgKDrIdy3aE
EP-5: ARCHIMEDES PRINCIPLE: https://youtu.be/avx1egyuNLY
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
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