Questions
A coin is placed on a horizontal platform which undergoes vertical simple harmonic motion of angular frequency The amplitude of oscillation is gradually increased. The coin will leave contact with the platform for the first time
detailed solution
Correct option is B
The free body diagram for the coin at one of the extreme position is shown in fig.According to Newtons law, mg−N=mω2AFor loosing contact with platform, N = 0∴ mg=mω2A or A=g/ω2Talk to our academic expert!
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