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

1 Answer
Jun 10, 2018

The distance is =4.29m

Explanation:

www.thoughtco.com

The mass M1=5kg

The mass M2=7kg

The distance a=6m

Taking moments about the fulcrum

M1×a=M2×b

b=M1×aM2=5×67=4.29m