An object is placed on a shelf 2 m above the ground. If the shelf is raised to 4 m, what happens to the potential energy of the object?

Question

An object is placed on a shelf 2 m above the ground. If the shelf is raised to 4 m, what happens to the potential energy of the object? — Exam MCQ

rrbjepyq.in · Accepted Answer

A. The potential energy doubles — Gravitational potential energy is PE = mgh. If height increases from 2 m to 4 m while mass and g remain constant, the potential energy doubles.

rrbjepyq.in · Answer

B. The potential energy remains the same

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C. The potential energy halves

rrbjepyq.in · Answer

D. The potential energy triples

An object is placed on a shelf 2 m above the ground. If the shelf is raised to 4 m, what happens to the potential energy of the object?

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