Question
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
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
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Fundamentals of Physics
Authors: Jearl Walker, Halliday Resnick
8th Extended edition
471758019, 978-0471758013
