A force f=102 n acts at an angle of 45 above the horizontal on a 2kg block placed on a rough horizontal surface. The coefficient of friction between the block and surface is 0.2. Find the work done by the force f on the block in 5s. Initially the block is at rest. [take g = 10m/s2]
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angle of 45 above the horizontal on a 2kg block placed on a rough horizontal surface. The coefficient of friction between the block and surface is 0.2. Find the work done by the force f on the block in 5s.
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