A balanced lever has two weights on it, the first with mass 1kg and the second with mass 5kg. If the first weight is 2m from the fulcrum, how far is the second weight from the fulcrum?

1 Answer
Apr 25, 2018

The distance is =0.4m

Explanation:

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The mass M1=1kg

The mass M2=5kg

The distance a=2m

Taking moments about the fulcrum

M1×a=M2×b

b=M1×aM2=1×25=0.4m