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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 5 - Newton's Laws of Motion (Without Friction) > A 60kg man stands on a spring scales in a lift. At some instant. He finds that the scale reading has changed from 60kg to 50 kg for a while and then comes back to original mark. What should be concluded?

A 60kg man stands on a spring scales in a lift. At some instant. He finds that the scale reading has changed from 60kg to 50 kg for a while and then comes back to original mark. What should be concluded?

A block A has a velocity of 0.6ms^−1 the right. Determine the velocity of cylinder B.