An ordinary workshop grindstone has a radius of 9.50 cm and rotates at 7000 rev/min.   (a) Calculate the magnitude of the centripetal acceleration at its edge in meters per second squared and convert it to multiples of g. magnitude         m/s2 magnitude         g   (b) What is the linear speed in m/s of a point on its edge?

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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.