A ball of 0.145 is tied to a 50 cm rope and begins to spin in a horizontal circle. Determine (a) the centripetal acceleration if the velocity of the ball is 7.0 m/s and (b) find the centripetal force that keeps the ball in the circular path.

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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.