Question

Pressure exerted by a body changes when the surface of area of contact changes.state 2 example

Answer 1

A boy standing and a boy lying down the boy standing will exert more pressure

Answer 2

Pressure do changes with the change in the surface area of contact as the lesser area applies more pressure than the greater area, so we can conclude that the pressure is in inverse proportion to the surface area of contact.

For example,

1. Writing with sharp-edged chalk piece is more facile than the chalk with blunt ends.

2. Also, Eggs are being cut into two better by a thread than by the knife.