JEE Main & Advanced
Physics
NLM, Friction, Circular Motion
Question Bank
Second Law of Motion
question_answer
A boy whose mass is 50kg stands on a spring balance inside a lift. The lift starts to ascent with an acceleration of \[2m{{s}^{-2}}.\] The reading of the machine or balance \[(g=10\,m{{s}^{-2}})\]is [Kerala PET 2002]