The wound of spring of a watch passesses potential energy.

Give scientific reasons: The wound spring of a watch possesses potential energy.

What is potential energy ?

Two interacting like charges possesses potential energy. Explain.

Answer the following questions: Classify each of the following into kinetic energy, potential energy or kinetic energy and potential energy: (1) A compressed spring (2) The wound up spring of a watch (3) A raised hammer (4) A bullet released from a gun (5) A falling stone (6) The swinging pendulum of a clock (7) The explosive mixture in a bomb (8) wind (9) Water stored in a dam (10) A stretched bow string (11) Running water (12) waterfall.

Derive an expression for potential energy.

Choose the correct alternative and write it along with its allotted alphabet: When you compress a spring, the potential energy of the spring……..

Define one joule in terms of electrostatic potential energy.

When a long spring is stretched by 2cm, its potential energy is U. If the spring is stretched by 10cm, the potential energy stored in it will be

When the displacement in S.H.M is one third of the amplitude, the fraction of the potential energy to total energy is

Define: Gravitational Potential energy