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?
kvnmurty:
explain answer with justification
we did not have to give a proper justification
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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.
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.
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it will be lesser than 37 because of diffrent kind of forces in earth
because of what forces ? the same forces act on weighting machine and the effect is cancelled.
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