A balanced lever has two weights on it, the first with mass #3 kg # and the second with mass #27 kg#. If the first weight is # 6 m# from the fulcrum, how far is the second weight from the fulcrum?

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Answer 1 · 2017-11-30T06:55:36

The distance is #=2/3m#

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The masses are

#M_1=27kg#

and

#M_2=3kg#

The distance #b=6m#

Taking moments about the fulcrum

#M_1xxa=M_2xxb#

#27xxa=3xx6#

#a=(3xx6)/27=2/3m#