Home
Class 9
PHYSICS
You find your mass to be 42 kg on a weig...

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

Text Solution

Verified by Experts

Even gases (like air) exert an upward force (or buoyant force) on the objects placed in them. Now, when we stand on a weighing machine, then the air exerts an upward force (buoyant force or upthrust) and makes us slightly lighter than we actually are. So, if a weighing machine shows our mass to be 42 kg, then our actual mass will be slightly more than 42 kg.
Promotional Banner

Similar Questions

Explore conceptually related problems

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

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

You have a bag of cotton and an iron bar, each indicating a mass of 100 kg when measured of a weighing machine. In reality, one is heavier than the other. Can you say which one is heavier and why?

A man of mass 60 kg is standing on a weighing machine (2) of mass 5kg placed on ground. Another identical weighing machine is placed over man’s head. A block of mass 50kg is put on the weighing machine (1) . Calculate the readings of weighing machines (1) and (2) .

In fig., a man true mass M is standing on a weighing machine placed in a cabin. The cabin is joined by a string a body of mass m. Assuming no friction, and negligible mass of cabin and weighing machine, the measured mass of man is (normal force between the man and the machine is proportional to the mass)

A man of mass 60kg is standing on a weighing machine kept in a box of mass 30kg as shown in the diagram If the man man ages to keep the box stationary, find the read ing of the weighing machine .

A block of mass m kg is kept on a weighing machine in an elevator. If the elevator is retarding upward by a ms^(-2) , the reading of weighing machine is (in kgf)