State four differences between mass and weight.
- It is the quantity of matter contained in a body.
- It is a constant quantity.
- It is a scalar quantity.
- Its unit is kg.
- Beam balance is used to measure it.
- At no place, its value is zero.
- It is the force with which a body is attracted towards the center of the earth.
- W = m x g, hence its value changes from place to place according to the value of ‘g’
- It is a vector quantity.
- Its unit is ‘newton’.
- Spring balance is used to measure it.
- At the center of the earth, its value is zero.
Concept: Concept of Weight
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