Engineering :: Applied Mechanics

@ : Home > Mechanical Engineering > Applied Mechanics

A boy sitting in a rail road car throws a ball straight up into the air. The ball will fall back into his hands when the rail road car is

[A].	moving at constant velocity	[B].	accelerating forwardA block A is dropped down a smooth inclined plane, while another identical block B is released for free fall from the same height
[C].	decelerating	[D].	accelerating forward while going around a curve of radius equal to the maximum height attained by the ball

Answer: Option A