1.

you find your mass to be 42 kg on a weighing machine. Is your mass more or less than 42 kg? Please explain properly with steps.

Answer»

≡QUESTION≡

You FIND your MASS to be 42 KG on a weighing MACHINE. Is your mass more or less than 42 kg?

                                                           

SOMETHING YOU SHOULD KNOW FIRST

  • A weighing machine measures the weight of a body
  • When we stand on a weighing machine, our weight acts downwards while upthrust due to air acts upwards.

So, due to upthrust , the body appears to loose some weight.

As a result, our apparent weight becomes less than the true weight.

║⊕ANSWER⊕║

  • The weighing machine measures this apparent weight and hence the mass indicated by it is less than the ACTUAL mass.
  • Our actual mass will be more than 42 kg.

                                                         



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