A 60 Kg man stands on a spring scale in the lift. At some instant he finds, scale reading has changed from 60 Kg to 50 Kg for a while and then comes back to the original mark. What should we conclude?

Options :
  1. the lift was in constant motion upwards
  2. the lift was in constant motion downwards
  3. the lift while in constant motion upwards, is stopped suddenly
  4. None of the above
Answer and Explanation :-

Answer: Option 3


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