A balanced lever has two weights on it, the first with mass #72 kg # and the second with mass #9 kg#. If the first weight is # 2 m# from the fulcrum, how far is the second weight from the fulcrum?

1 Answer
Feb 12, 2016

Answer:

#y=16 m#

Explanation:

#F_1:" the first weight"#
#F_2:" the second weight"#
#x:" distance between " F_1 " and fulcrum"#
#y:" distance between " F_2 " and fulcrum"#
#F_1*x=F_2*y#
#cancel(72)*2=cancel(9)*y#
#8*2=y#
#y=16 m#