Mass and weight Flashcards
1
Q
What is mass?
A
Mass is the amount of matter contained in a body or the quantity of matter in that body
2
Q
What is weight?
A
It is the measure of gravitational pull of earth on a body
3
Q
What is the formula of Weight?
A
w = mg
in which g = 9.8 (10)
4
Q
What are the differences between mass and weight?
A
Mass- Scalar quantity
Weight- Vector quantity
Mass- Independent
Weight- Dependent on mass and gravity
Mass- Constant
Weight- Can vary from place to place
Mass- SI is kg
Weight- SI in N
5
Q
When does weight of a body become 0?
A
At the centre of the earth
In a gravity free space
At a null point where the gravitation pull two or more objects cancel each other
