Question

What type of energy is possessed :

(a) by the stretched rubber strings of a catapult ?

(b) by the piece of stone which is thrown away on releasinig the stretched rubber strings of catapult ?

Answer 1

a)The stretched rubber string of a catapult posses " Elastic Potential Energy"
Reason:
when we do work in stretching string of catapult, then work done by us is stored in the rubber string in the form of elastic potential energy as there is change in shape.

(b) the piece of stone which is thrown away by releasing the stretched rubber strings of catapult possesses kinetic and potential energy.