Relating Work and Changes in Kinetic Energy A

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Relating Work and Changes in Kinetic Energy A. A block is moving leftward on a frictionless, horizontal table. A hand exerts a constant horizontal force on the block. 1. Suppose the work done on the block by the hand is positive. Draw arrows in the boxes below to show the direction of the displacement of the block and the direction of the force exerted by the hand. Displacement of block Force on block by hand Id or no parol canoshell ant Explain how you chose the direction of the force on the block by the hand. Is the block speeding up, slowing down, or moving with constant speed? Explain.