In Fig. 8-49, a block slides down an incline. As it moves
Chapter 8, Problem 48(choose chapter or problem)
In Fig. 8-49, a block slides down an incline. As it moves from point A to point B, which are 5.0 m apart, force F acts on the block, with magnitude 2.0 N and directed down the incline. The magnitude of the frictional force acting on the block is 10 N. If the kinetic energy of the block increases by 35 J between A and B, how much work is done on the block by the gravitational force as the block moves from A to B?
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