A balanced lever has two weights on it, the first with mass 9kg and the second with mass 4kg. If the first weight is 3m from the fulcrum, how far is the second weight from the fulcrum?

1 Answer

x=6.75 meters

Explanation:

Let x be the unknown distance

Summation of Moments about the fulcrum equals to zero.

Taking clockwise positive

93+4x=0

x=274

x=6.75 meters

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