A balanced lever has two weights on it, one with mass #6 kg# and one with mass #5 kg#. If the first weight is # 3 m# from the fulcrum, how far is the second weight from the fulcrum?

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Answer 1 · 2017-07-09T07:54:59

The distance is #=3.6m#

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The mass #M_1=6kg#

The mass #M_2=5kg#

The distance #a=3m#

Taking moments about the fulcrum

#M_1*a=M_2*b#

#b=M_1/M_2*a=(6g)/(5g)*3=18/5=3.6m#