A beetle sits at the rim of a turntable that is at rest but is freeto rotate about a vertical axis. Suppose the beetle now begins towalk around the perimeter of the turntable. Does the beetle moveforward, backward, or does it remain in the same location relative tothe ground? Answer for two different cases, (a) the turntable is muchmore massive than the beetle and (b) the turntable is massless

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.