a car at rest has a mass 1000kg . it is moved by a horizontal force of 50N on horizontal surface. calculate work done by the force in 8 sec
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Explanation:displacement = 1/2 × F/M × (t^2) == 1/2×1/20×64 ==16/10m
Work done == force × displ. ==50×16/10==. 80 joule
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