When a force is applied to an object, work is done only if:

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A The object does not move.
B The force is perpendicular to displacement.
C The object moves in the direction of the force.
D The force is less than 1 Newton.

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Answer: C. The object moves in the direction of the force.

Work = force x displacement in the direction of the force (W = F x s). If the object does not move in the direction of the force, no work is done.

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When a force is applied to an object, work is done only if:

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