Is the oscillation of a simple pendulum at the centre of the earth be possible ?
Is the oscillation of a simple pendulum at the centre of the earth be possible ?
No, because the value of $g$ at the centre of earth is zero and hence, in periodic time $\mathrm{T}=2 \pi \sqrt{\frac{l}{g}}$ now put $g=0$
$\therefore \mathrm{T}=2 \pi \sqrt{\frac{l}{0}}=$ infinite
Means oscillation does not occurs.
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