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PULLEYS AND LIFTING - QUESTIONS 3

V. Ryan 2004 - 2012

 

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The pulley system opposite has 1:4 ratio (effort : load). An effort of 25N can lift a load of 100N.

1. Draw a pulley system that is capable of lifting 150N.
2. Work out the velocity ratio, the mechanical advantage and the efficiency of the system.

 

 

 

THE ANSWER

 

 

 

   

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