D. The movement that will require the greatest amount of work to be
done is a force of 15n moving an object a distance of 5.0m (75 J).
Work is said to be done when an applied force moves an object over a given distance.
W = Fd
where;
W = 10 x 3 = 30 J
W = 10 x 5 = 50 J
W = 15 x 3 = 45 J
W = 15 x 5 = 75 J
Thus, the movement that will require the greatest amount of work to be
done is a force of 15n moving an object a distance of 5.0m (75 J).
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