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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A person normally weighing 60 kg stands on a platform which oscillates up and down harmonically at a frequency 2.0 sec^-1 and an amplitude 5.0 cm. If a machine on the platform gives the person’s weight against time,

A person normally weighing 60 kg stands on a platform which oscillates up and down harmonically at a frequency 2.0 sec^-1 and an amplitude 5.0 cm. If a machine on the platform gives the person’s weight against time,

A force F = -10x + 2 acts on a particle of mass 0.1 kg find: (a) time period; (b) equation of motion. where k is in m and F in newton. If it is released from rest at x = 0