Question

The mass of a uniform ladder of length `5m` is `20kg`. A person of mass `60kg` stand on the ladder at a height of `2m` from the bottom. The position of centre of mass of the ladder and man from the bottom is
A. `1.256 m`
B. `2.532m`
C. `3.513m`
D. `2.125m`

Answer 1

Correct Answer - D
Mass of ladder acts at `2.5 m` Mass of man acts at `2m`
`y=(m_(1)y_(1)+m_(2)y_(2))/(m_(1)+m_(2))`