A small grinding wheel has a moment of inertia of 3.8 × 10−5 kg*m2. what net torque must be applied to the wheel for its angular aceleration to be 135 rad/s2?

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The correct answer is 0.513 Nm torque must be applied to the wheel for its angular acceleration to be 135 rad/s2.

Torque is the rotating equivalent of force in physics and mechanics. Depending on the subject of study, it is also known as the moment, moment of force, rotating force, or turning effect. It illustrates how a force can cause a change in the body's rotational motion. In his famous adage, "Give me a lever and a place to stand, and I shall move the Earth," Archimedes, who studied the use of levers, is credited with developing the idea. Torque can be thought of as a twist to an item about a particular axis, much as a linear force is a push or a pull.

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