A book of mass is placed on a shelf above the ground

PHYSICS · Subjective · CBSE · Physics · Work and Energy · Work and Energy

Problem

A book of mass 4 kg4\,\text{kg} is placed on a shelf 2 m2\,\text{m} above the ground. Taking the ground as the zero level of potential energy and g=9.8 m/s2g = 9.8\,\text{m/s}^2, calculate the gravitational potential energy of the book.

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