Question

1. What happens to the potential energy of a body when its height is doubled ?
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Answer 1

Answer:

Since the gravitational potential energy of an object is directly proportional to its height above the zero position, a doubling of the height will result in a doubling of the gravitational potential energy. A tripling of the height will result in a tripling of the gravitational potential energy.

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Answer 2

Answer:

It also gets doubled.

Explanation:

Potential energy of a body is directly proportional to the height of the body. So, if the height of the object is doubled, then the potential energy also gets doubled.