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A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force (see the given figure). Let us take it that the force acts on the object through the displacement. What is the work done in this case?

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How much energy is gained by a box of mass 20 kg when a man, carrying the box waits for 5 minutes for a bus?
Define 1 joule of work.
Write the formula for the work done on a body when a force acts on the body in the direction of its displacement. Give the meaning of each symbol which occurs in the formula.
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