A force of 10 N acts on a 2 m displacement in the same direction. How much work is done?

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Multiple Choice

A force of 10 N acts on a 2 m displacement in the same direction. How much work is done?

Explanation:
Work is the energy transferred when a force moves an object through a distance. The amount of work is the component of the force in the direction of the motion times the distance: W = F d cos theta. Here the force and the displacement point in the same direction, so theta = 0 and cos theta = 1. Therefore, W = 10 N × 2 m × 1 = 20 J. The given numbers can’t produce a different result under these conditions, so the work done is 20 joules.

Work is the energy transferred when a force moves an object through a distance. The amount of work is the component of the force in the direction of the motion times the distance: W = F d cos theta. Here the force and the displacement point in the same direction, so theta = 0 and cos theta = 1. Therefore, W = 10 N × 2 m × 1 = 20 J. The given numbers can’t produce a different result under these conditions, so the work done is 20 joules.

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