Question

3 examples when area decreases and pressure increases

Answer 1

Answer:1. In a knife as area is very less if we apply less force more pressure is generated

2.In a hydraulic lift

3.I n axes, saws and other machines

Explanation:

Answer 2

Answer:

1) sharp knife cuts better than a blunt knike because it has less surface area and exerts more pressure

2) trucks hav pairs of wheels increasing surface area so that they do not apply more pressure on the road

3) a nail is sharp and has less surface area increasing its pressure on the wall and can be hammered easily