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JEE Main 2003 Physics question

PhysicsLaws of MotionJEE Main 2003

A spring balance is attached to the ceiling of a lift. A man hangs his bag on the spring and the spring reads 49 N, when the lift is stationary. If the lift moves downward with an acceleration of 5 , the reading of the spring balance will be

Answer: (1)

Solution

Mass of the bag kg. When the lift accelerates downward with , $mg - T = ma ⇒ T = m(g - a) =

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Question ID VK-038070