A 4.0 kg ball is attached to 0.7-meter string and spun at 2.0 meters/sec. What is a) the centripetal acceleration b) the centripetal force

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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.