An athlete whirls a 7.00 kg hammer tied to the end of a 1.3 meter chain in a horizontal circle. The hammer makes one revolution in 1.0 seconds, what is the centripetal acceleration of the hammer? What is the tension in the chain?

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Q: Can you explain the math and equations going on in Step 2? I am finding it unclear.

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Q: An 302 kg object has a weight of 1,217 N on an unknown planet.  What is the value for gravity, in…

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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.