Question

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

Answer 1

Two instances of Pressure exerted by a body changes when the surface of area of contact changes are ----

i) It is easier to write with a sharpened edged pencil ( less area) than a blunt one ( greater area)

ii) A sharp knife can easily cut a fruit(less area) while a blunt one cannot(greater area).

∴Pressure is inversely proportional to area.