A balanced lever has two weights on it, the first with mass #16 kg # and the second with mass #3 kg#. If the first weight is # 7 m# from the fulcrum, how far is the second weight from the fulcrum?

1 Answer
Apr 28, 2016

Answer:

#112/3m#

Explanation:

Well, if the lever is balanced, the torque (or, the moment of force) has to be the same. Hence,

#16*7m = 3*x#

#=> x = 112/3m#

  • why can't I have some nice numbers, in the problem so that, at least the results look nice ??