Laws Of Motion Question 236
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[AIEEE 2002]
Options:
A) $ g,g $
B) $ g-a,g-a $
C) $ g-a,g $
D) $ a,g $
Show Answer
Answer:
Correct Answer: C
Solution:
Due to relative motion, acceleration of ball observed by observer in lift = (g ? a) and for man on earth the acceleration remains g.
