A balanced lever has two weights on it, the first with mass #9 kg # and the second with mass #37 kg#. If the first weight is # 9 m# from the fulcrum, how far is the second weight from the fulcrum?

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Answer 1 · 2017-12-16T14:03:32

The distance is #=2.19m#

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The mass #M_2=9kg#

The mass #M_1=37kg#

The distance #b=9m#

Taking moments about the fulcrum

#M_1xxa=M_2xxb#

#a=(M_2xxb)/(M_1)=(9xx9)/37=2.19m#