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Force, energy and momentum

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Question 31

If the acceleration due to gravity is $g$ , what is the efficiency of the pulley system?

$MgHFvT\frac{M g H}{F v T}$

$FvTMgH\frac{F v T}{M g H}$

$MgHTFv\frac{M g H T}{F v}$

$FvMgHT\frac{F v}{M g H T}$

Force, energy and momentum Questions

A Level
Physics
Force, energy and momentum