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 releasing the stretched rubber strings of catapult?

Figure

Answer 1

(a) The stretched rubber string of a catapult possesses potential energy, as the work done to change the shape of the rubber string is stored in it.

(b) The stone possesses kinetic energy because on releasing the rubber string of the catapult, potential energy of the rubber string is transformed into the kinetic energy of the stone thrown.