question_answer

  You find your mass to be 42 kg on a weighing machine. Is your mass more or less than 42 kg?                         

Answer:

                  When we stand on a weighing machine, we replace air equal to volume of our body. So measured weight,                                              W = actual weight ? up thrust Measured mass, That is the measured mass will be less than the actual mass. Therefore, our mass is more than 42 kg.