The restoring force acting on a particle executing SHM is 10 N at a displacement of 2 cm from mean position. The restoring force at a displacement of 3 cm is
A. 20 N
B. 15 N
C. `(20)/(3) N`
D. `(40)/(9) N`

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1 Answers

Correct Answer - B
`(F_(2))/(F_(1))=(y_(2))/(y_(1))`
`F_(2)=F_(1)(y_(2))/(y_(1))=(10xx3)/(2)=15N`

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