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

The weight of a person on a planet $A$ is about half that on the earth. He can jump up to $0.4 \, m$ height on the surface of the earth. How high can he jump on the planet $A$ (in $, m$)?

$A$ body of mass $10 \,kg$ is taken to the centre of the earth. What will be its mass there (in $,kg$)?

On Earth,how much force is needed to lift an object of mass $100 \,g$ (in $,N$)?

What is the effect on the weight of a body due to the revolution of the earth?

The weight of any person on the moon is about $1/6$ times that on the earth. He can lift a mass of $15\, kg$ on the earth. What will be the maximum mass,which can be lifted by the same force applied by the person on the moon (in $, kg$)?