Question

What is Pressure? Class 8 science
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Answer 1

Answer:

Force applied per unit area is pressure.

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Answer 2

Explanation:

pressure is the force acting per unit area....

$pressure \: = \frac{force}{area}$

This means that the pressure a solid object exerts on another solid surface is its weight in newtons divided by its area in square metres.

The rapid motion and collisions of molecules with the walls of the container causes pressure (force on a unit area). Pressure is proportional to the number of molecular collisions and the force of the collisions in a particular area. The more collisions of gas molecules with the walls, the higher the pressure.

example

A simple example of pressure may be seen by holding a knife to a piece of fruit. ... If you turn the blade so the cutting edge is pressed into the fruit, the same force is applied over a much smaller surface area (vastly increased pressure), so the surface cuts easily.May

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From DAV PUBLIC SCHOOL MAHUDA