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प्रश्न
A simple pendulum of length 196 cm performs linear SHM of amplitude 8 cm. Find the restoring force on its bob of mass 50 g at an extreme position.
संख्यात्मक
उत्तर
F = mg sin θ = mg θ (for θ small and expressed in radian)
= `(5 xx 10^-2)(9.8)(8/196)`
= `(40 xx 10^-2)/20`
= 0.02 N
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Simple Pendulum
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