When is work said to be done in physics?

Type: MCQ • Marks: 1

A. When a person feels tired holding a heavy load

B. When a force produces displacement of an object in the direction of the force

C. When distance is zero

D. Whenever a force is applied

Explanation

In physics, work is done only when force causes a displacement in the direction of the force (W = Fs cosθ).

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Class 9th Science (MCQ)

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