JEE Main 2002 Physics question
A lift is moving down with acceleration a. A man in the lift drops a ball inside the lift. The acceleration of the ball as observed by the man in the lift and a man standing stationary on the ground are respectively
Answer: (3)
Solution
Once released, the ball is a freely falling body, so relative to the ground (inertial frame) its acceleration is downward. The man in the lift is himself accelerating downward with , so the ball's acceleration
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