Consider a situation such that a horizontal force of 20N pushes a block weighing 1kg against a vertical wall. The coefficient of friction between the wall and the block is 0.6. Assuming the block is not moving initially. Suggest the block will start sliding down. Justify with your answer. Also let us imagine a football player hits the football. After covering a short distance, the ball comes to rest. Give valid reason.
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the answer to the question is= 20/0.6
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