Question

A `60kg` man is inside a lift which is moving up with an acceleration of `2.45_(ms^(-2))`. The appar-ent percentage change in his weight is .
A. `20%`
B. `25%`
C. `50%`
D. `75%`

Answer 1

Correct Answer - B
% of Apparent Change in weight
`=(w_(2)-w_(1))/(w_(1)) xx 100,w_(1) =mg,w_(2) =m(g +a)` .