A balanced lever has two weights on it, the first with mass #24 kg # and the second with mass #48 kg#. If the first weight is # 4 m# from the fulcrum, how far is the second weight from the fulcrum?

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Answer 1 · 2017-03-29T07:01:23

The distance is #=2m#

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#M_2=24g N#

#b=4m#

#M_1=48gN#

Taking moments about the fulcrum

#M_1*a=M_2*b#

#48g*a=24g*4#

#b=(24g*4)/(48g)#

#=2m#