Question

Sarah uses an inclined plant to load a chest into her truck. If she does 84 Joules of work, and the inclined plane is 3 meters long, how much force does she expend?
The force Sarah expends is 28 Newtons. This can be calculated by dividing the work (84 Joules) by the length of the inclined plane (3 meters): 84 Joules / 3 meters = 28 Newtons.

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