A balanced lever has two weights on it, the first with mass #15 kg # and the second with mass #18 kg#. If the first weight is # 6 m# from the fulcrum, how far is the second weight from the fulcrum?

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Answer 1 · 2017-04-11T06:40:27

The distance is #=5m#

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Here, we have

#M_2=15gN#

#b=6m#

#M_1=18gN#

Taking moments about the fulcrum

#15g*6=18g*a#

#a=(15*6)/18=5m#