A balanced lever has two weights on it, the first with mass #8 kg # and the second with mass #64 kg#. If the first weight is # 12 m# from the fulcrum, how far is the second weight from the fulcrum?

1 Answer
Apr 13, 2017

Answer:

The distance is #=1.5m#

Explanation:

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The first weight is #M_2=(8g)N#

The second weight is #M_1=(64g)N#

The first distance is #b=12m#

Taking moments about the fulcrum

#M_1*a=M_2*b#

#a=(M_2*b)/M_1=(8g*12)/(64g)=1.5m#