A particle of mass 1 kg is moving in S.H.M. with an
amplitude 0.02 and a frequency of 60 Hz. The maximum
force acting on the particle is
(a) 144 π² (b) 188 π²
(c) 288 π² (d) None of these
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ANSWER
f=60 Hz
w=2πf=120π rad/sec
F=mw
2
A
=1 kg×14400×π
2
×0.02
=2.88×10
3
N
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