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Give four points of pulley mass system |
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Answer» 1) A pulley is a simple machine that CONSISTS of a rope wrapped around a grooved WHEEL. Pulleys are generally used to lift a load.2) There are three types of pulleys: fixed pulleys, moveable pulleys, and COMPOUND pulleys. Compound pulleys consist of TWO or more fixed and moveable pulleys.3) The ideal mechanical advantage of a pulley equals the number of rope segments pulling up on the load. |
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