A particle of mass m is under the influence of a force F which varies with the displacement x according to the relation 
in which k and 
are constants. The particle when disturbed will oscillate
A
about 
B
about 
C
about 
D
about 
Text Solution
Verified by ExpertsThe correct answer is:
C
Restoring force is zero at mean position
⇒ ⇒ 
⇒ ⇒ 
i.e. the particle will oscillate about 
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