A balanced lever has two weights on it, the first with mass #15 kg # and the second with mass #14 kg#. If the first weight is # 7 m# from the fulcrum, how far is the second weight from the fulcrum?

1 Answer
Feb 10, 2016

Answer:

#b=7,5 m#

Explanation:

#F:" the first weight"#
#S:" the second weight"#
#a: " distance between the first weight and fulcrum"#
#b:" distance between the second weight and fulcrum"#
#F*a=S*b#
#15*cancel(7)=cancel(14)*b#
#15=2*b#
#b=7,5 m#