Question

A ball is dropped from an elevator moving upward with acceleration ‘a’ by a boy standing in it. The acceleration of ball with respect to [ Take upward direction positive ] (1) Boy is –g , (2) Boy is -( g+a) , (3) Ground is -g , (4) Both (2) &(3)

Answer 1

It would be g because the normal acceleration due to gravity of Earth is denoted by g so by point of view the acceleration on the ball will be g