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MHT CET Physics question

PhysicsOscillationsMHT CET

A man weighting 60 kgf stands on a platform which oscillates up and down harmonically at a time period 0.5 sec and an amplitude 5 cm. If the weighing machine on the platform gives the man's weight against time, the maximum reading it show will be : (take g = 10 )

Answer: (A)

Solution

At the lowest point the platform accelerates upward with , so the reading is

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Question ID VK-067633