Multiple-Concept Example offers useful background for problems like this. A cylinder is rotating about an axis that
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Multiple-Concept Example offers useful background for problems like this. A cylinder is rotating about an axis that passes through the center of each circular end piece. The cylinder has a radius of 0.0830 m, an angular speed of 76.0 rad/s, and a moment of inertia of 0.615 kg · m2. A brake shoe presses against the surface of the cylinder and applies a tangential frictional force to it. The frictional force reduces the angular speed of the cylinder by a factor of two during a time of 6.40 s.
(a) Find the magnitude of the angular deceleration of the cylinder.
(b) Find the magnitude of the force of friction applied by the brake shoe.
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a From Equation we have that 0 t We are given that 0 760 rad s 0 380 rad ...View the full answer
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