Define the term potential energy of a body. State its different forms

1.	Define the term potential energy of a body. State its different forms and give one example of each.
Answer» Potential energy: The energy possessed by a body by virtue of its specific position (or changed configuration) is called the potential energy. Different forms of P.E. are as listed below: (i) Gravitational potential energy: The potential energy possessed by a body due to its position relative to the centre of Earth is called its gravitational potential energy. Example: A stone at a height has gravitational potential energy due to its raised height. (ii) Elastic potential energy: The potential energy possessed by a body in the deformed state due to change in its configuration is called its elastic potential energy. Example: A compressed spring has elastic potential energy due to its compressed state.

Define the term potential energy of a body. State its different forms and give one example of each.

Answer»

Potential energy: The energy possessed by a body by virtue of its specific position (or changed configuration) is called the potential energy.

Different forms of P.E. are as listed below:

(i) Gravitational potential energy: The potential energy possessed by a body due to its position relative to the centre of Earth is called its gravitational potential energy.

Example: A stone at a height has gravitational potential energy due to its raised height.

(ii) Elastic potential energy: The potential energy possessed by a body in the deformed state due to change in its configuration is called its elastic potential energy.

Example: A compressed spring has elastic potential energy due to its compressed state.

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