You find your mass to be 42kg on a weighing machine. Is your mass or less than 42kg?
Answers
Answered by
4
A weighing machine measures the weight of a body and is calibrated to show mass. 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 lose some weight. As a result, our apparent weight becomes less than the true weight. The weighing machine measures this apparent weight and hence the mass indicated by it is less than the actual mass.
When we weigh our body, an upward force acts on it. This upward force is the buoyant force.
As a result, the body gets pushed slightly upwards, causing the weighing machine to show a reading less than the actual value. Thus, the weighing machine measures our apparent weight which is less than the true weight.
Similar questions