A balanced lever has two weights on it, the first with mass #8 kg # and the second with mass #24 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 · 2016-07-09T07:30:36

#x=2" "m#

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#F_1* bar (AB)=F_2* bar (BC)#

#F_1*8=x*F_2#

#x=(8*F_1)/F_2#

#"plug "F_1=6*g" ; "F_2=24*g#

#x=(8*6*cancel(g))/(24*cancel(g))#

#x=48/24#

#x=2" "m#