A balanced lever has two weights on it, one with mass #2 kg# and one with mass #8 kg#. If the first weight is # 4 m# from the fulcrum, how far is the second weight from the fulcrum?

1 Answer
Dec 15, 2016

Answer:

The distance is #=1m#

Explanation:

In a state of equilibrium, the moments about the fulcrum of the weights are equal.

Let #d=# distance of second weight from the fulcrum

Moment of first weight #=2g*4 Nm#

Moment of second weight #=8g*d Nm#

So,

#2g*4=8g*d#

#d=1m#