Question

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?

Answer 1

`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`