Question

A ball is dropped from an elevator moving upward with acceleration ${}^{\prime }{a}^{\prime }$ by a boy standing in it. The acceleration of ball with respect to [Take upward direction positive]

• A. Boy is $-g$
• B. Boy is $-(g+a)$
• C. Ground is $-g$
• D. Both (2) & (3)

Answer 1

The correct option is A Boy is $-g$

When the ball is released it is not in contact with boy or elevator so its acceleration will be $g$ downwards or $-g$ with respect to boy.