A 60kg man stands on a spring scale in a lift.at some instant,he finds that the scale reading has changed from 60kg to 50kg for a while and then comes back to original mark.what should be concluded?
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Answer:The lift while in downwards motion suddenly stopped.
Explanation:
Here the lift would have been moving vertically downwards due to which the mass of man changed from 60kg to 50kg(decrease) and then it would have been suddenly stopped due to which it would have been restored again to its original mass of 60kg.
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