Help me physics

Solution :

The answer of the question number 5(a) is provided below : 

Pressure is defined as the force per unit area acting perpendicularly to the surface of the area.

In other words, pressure is nothing but force exerted by one body on a unit area of another body


Pressure = Force/Area

Its SI units are N/m2 or Pascals.

This means that pressure is inversely proportional to the area of contact. So more the contact area is less pressure will be exerted and vice versa.

A very common example of pressure would be the pressure exerted by the atmosphere due to the weight of the air above us.

Kindly post the different questions in different thread. 

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