A solid cylindrical steel wheel has a mass of 20 kg and a radius of 30 cm. It is made to rotate from rest to 570 rpm in 18.0s. a) What torque must be applied to the wheel? b) If a torque is applied by wrapping a strap around the outside of the wheel, how much force should be exerted on the strap?

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.