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Energetic Pulley: The “input” pulley in a dual-pulley technique. The shaft of this pulley is pushed by some thing like a motor, a crank, or perhaps one more pulley in larger programs. This pulley controls the motion of the belt.
Loafer: A pushed wheel that does not transmit energy through a shaft. It spins freely, and most driven pulleys are connected to other tools, this kind of as wheels or drives, by means of driveshafts.

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