Question

what is the balance of mass and weight?

Answer 1

mass is amount of matter in object. move to a different planet and an objects weight will change but it's mass will be same . there are a couple of way to measure mass . the most common is used a balance

Answer 2

Mass is the quantity present.
It is a scalar quantity.
It cannot be zero.

Weight is the quantity and the gravitational force acting on it.
It is a vector quantity.
It can be zero