An athlete in a hammer-throw event swings a 7.0 kg hammer in a horizontal circle at a constant speed of 12 m/s. The radius of the hammers path is 2.0 m. What is the magnitude of the force of tension in the string attached to the hammer?

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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.