A car wheel has a diameter of 70.1 cm, completing one clockwise revolution in 1.20 minutes. -Determine the magnitude of the centripetal acceleration at a point on the wheel when it has rotated halfway from the highest point to the lowest point. - what is the direction of the centripetal acceleration at that point?

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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.