GENERAL KNOWLEDGE

Detailed explanation-1: -The examples of elastic potential energy are: The coil spring of a wound-up clock. An archer’s stretched bow. A bent diving board, just before a divers jump.

Detailed explanation-2: -Hence a vibrating pendulum at the mean position has no potential energy.

Detailed explanation-3: -The coil spring of a wind-up clock. An archer’s stretched bow. A bent diving board, just before a divers jump. The twisted rubber band which powers a toy airplane. A bouncy ball, compressed at the moment it bounces off a brick wall.