A 2-kg book is held 1 m above the floor for 50 s. The work done is
A) 0.
B) 10.2 J.
C) 100 J.
D) 980 J.

Name: A 2-kg book is held 1 m above the floor for 50 s. The work done is A) 0. B) 10.2 J. C) 100 J. D) 980 J.
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Question

Quizplus · Accepted Answer

Holding an object stationary does not involve displacement, so no work is done according to the definition of work in physics (Work = Force x Displacement).

A 2-Kg Book Is Held 1 M Above the Floor