A loaded railroad car is rolling at a constant velocity when   it couples with a spring and dashpot bumper system. After   the coupling, the motion of the car is defined by the   relation 4.8 60 sin16 t xe t − = where x and t are expressed in   mm and seconds, respectively. Determine the position, the   velocity and the acceleration of the railroad car when   (a) t = 0, (b) t = 0.3 s.

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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.