A balanced lever has two weights on it, the first with mass 5 kg and the second with mass 7 kg. If the first weight is 6 m from the fulcrum, how far is the second weight from the fulcrum?

1 Answer
Jun 10, 2018

The distance is =4.29m

Explanation:

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The mass M_1=5kg

The mass M_2=7kg

The distance a=6m

Taking moments about the fulcrum

M_1xxa=M_2xxb

b=(M_1xxa)/(M_2)=(5xx6)/(7)=4.29m