A balanced lever has two weights on it, the first with mass #4 kg # and the second with mass #1 kg#. If the first weight is # 8 m# from the fulcrum, how far is the second weight from the fulcrum?

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Answer 1 · 2017-06-03T13:54:43

The distance is #=32m#

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The first weight is #M_1=4gN#

The second weight is #M_2=1gN#

The distance #a=8m#

Taking moments about the fulcrum

#4g*8=1g*b#

#b=32g/g=32m#

The distance is #=32m#