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Answer the following question : Time p...

Answer the following question :
Time period of a particle in SHM depends on the force constant k and mass m of the particle:
`T=2pisqrt(m/k)`. A simple pendulum executes SHM approximately. Why then is the time period of a pendulum independent of the mass of the pendulum?

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For a simple pendulum, k itself is proportional to m, so m cancels out
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