# When one measured weight on a weighing machine it showed 37. is his or her mass equal to the same or is it lesser than 37?

2
we did not have to give a proper justification

2014-09-09T16:11:14+05:30

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If a persons weight = 37 Kg, it means the force of attraction by gravity on the person is 37*g.

The weighing machine measures the force acting on the platform where the person stands. This is done by using a calibrated spring which gets compressed. The force that the machine measures is = mass * gravity due to Earth.

Then the value of force is divided by the standard value of gravity and is displayed. So the value of mass is displayed.

So mass = 37 kg.

Air pressure and temperature dependence are some factors likely to cause small errors.