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Questions  

If a body is executing simple harmonic motion, then:

a
at extreme position, the total energy must be zero
b
at equilibrium position, the total energy is in the form of only potential energy
c
at equilibrium position, the total energy is in the form of only kinetic energy
d
at extreme position, the total energy is only potential energy

detailed solution

Correct option is D

At extreme position kinetic energy is zero, total energy in the form of potential energy. At equilibrium kinetic energy is maximum but potential energy may or may not be zero. (Example vertical oscillations of spring)

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