A uniform meter scale of mass `1kg` is placed on table such that a part of the scale is beyond the edge. If a body of mass `0.25kg` is hung at the end of the scale then the minimum length of scale that sould lie on the table so that it does not tilt is

Options

A. `90 cm`
B. `80 cm`
C. `70 cm`
D. `60 cm`

Answer

D

Explanation

If the distance from one end is `x` then `(50-x)1=x(02.5)=x/4`
`200-4x=x rArrx =40 cm`
`:.` length on the table =`100-40=60 cm`