A balanced lever has two weights on it, the first with mass #15 kg # and the second with mass #45 kg#. If the first weight is # 12 m# from the fulcrum, how far is the second weight from the fulcrum?

1 Answer
Feb 3, 2016

Answer:

#x=4 meters#

Explanation:

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#color(blue)(G_1*AC)=color(red)(G_2*BC)#
#color(blue)(cancel(15)*cancel(9,81)*12)=color(red)(cancel(45)*cancel(9,81)*x)#
#color(blue)(12)=color(red)(3*x)#
#x=12/3#
#x=4 meters#