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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 6 - Newton's Laws of Motion > 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

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

A man slides down a light rope whose breaking strength η times the weight (η 1). What should be his minimum acceleration so that the rope just breaks