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Velocity versus time graph of a ball of mass 50 g rolling on a concrete floor is shown below. Calculate the acceleration and the frictional force of the floor on the ball? |
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Answer» Acceleration = v - u / t = 80 – 0 / 8 = 10 ms-2 Force = m a×= 50 /1000 x 10 = 0.5 N |
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