In each of the four situations below an object is experiencing (nearly) uniform circular motion. State what force is providing the centripetal force required to keep the object moving in a circle:  a. A car driving around a track b. A ball being swung on the end of a string c. The moon orbiting the earth d. A rotating wheel 2. Consider the ball being swung around in a circle

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A: Length of the string (L) = 0.75 m time taken to complete one revolution (T) = 0.33 seconds

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Q: 8. Callum is playing tetherball. The tetherball has a mass of 0.4 kg and has a tangential velocity…

A: Solution: given that m =0.4 kg v = 2.4 m/s r = 1.5 m

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.