A child pushes with a force of 100 N on a wall of mass 250 kg

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A child pushes with a force of 100 N on a wall of mass 250 kg. The wall does not move. The work done by the child on the wall is (1) 0 J. (2) 100 J. (3) 25 kJ. (4) 250 kJ.

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