A bug is standing stationary relative to a spinning turntable. Some oil is poured on the turntable to render the surface frictionless. As soon as the surface becomes frictionless, from a stationary frame of reference the bug will:     (a) continue to move in a circle, but the radius of the circle will get larger and larger         (b) move in a straight line which is tangent to the circular trajectory it was originally on         (c) move radially inward toward the centre of the turntable         (d) move directly radially outward toward the edge of the turntable

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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.