A lifting machine consists of pulleys arranged in the form of a third pulley system. There are

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A lifting machine consists of pulleys arranged in the form of a third pulley system. There are three pulleys in the system. A load of 1000 N is lifted by and effort of 180 N. find the efficiency and the effort lost in friction.

Ans: η = 79.37%, effort lost = 37.14 N

Related Book For answer-question

Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Posted Date: Jul 14, 2020 11:02 PM

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A lifting machine consists of pulleys arranged in the form of a third pulley system. There are

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Fundamentals of Physics

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