Question

It is easier to cut an apple with a sharp knife than a blunt knife . Why?

Answer 1

hey mate!

pressure = force/ area


as we know sharp knife have less area in contact with Apple as compared to blunt one.

that's why it Will create more pressure. .as compared to blunt knife.

#Phoenix

Answer 2

what you should know : Pressure = Force /Area

Assuming both are knives so exert equal force.

So , pressure is inversely proportional to area.

Blunt knife has greater area in contact and hence exerts lesser pressure as compared to a sharp knife.