A 25-lb sphere A is held at the 51° angle shown and released. It strikes the 10-lb sphere B. The coefficient of restitution for this collision is e=0.75. Sphere B is attached to the end of a light rod that pivots freely about point O. If the spring of constant k = 107 lb/ft of the light rod after impact. is initially unstretched, determine the maximum rotation angle 16" 51° ww 30"- Answer: 0 = i ca B 30" O

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Clutches, Brakes, Couplings, and Flywheels

The clutch is described as a machine element used to connect or disconnect two shafts together to transmit torque or power. The clutch works on the principles of friction. The clutch is commonly used in automobiles to transfer power from the driving shaft to the driven shaft.