Question

7 difference between mass and weight class 9
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Answer 1

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Answer 2

Answer:

MASS

• Definition It is the measure of the amount of matter present a body.
• It stays the same everywhere, irrespective of location.
• Mass is a scalar quantity. It has magnitude.
• It can never be zero.
• The SI unit of mass is the kilogram (kg).
• To calculate mass, we use- mass = volume × density.

WEIGHT

• It refers to the measure of the amount of force that acts on mass because of the pull of gravity.
• Weight will vary depending on the location.
• It is a vector quantity. It’s got the magnitude and directs toward the Earth’s centre or other gravity.
• It can be zero when no gravity is acting on it.
• Weight’s SI unit is Newton (N).
• The formula for calculating weight is- weight= mass × acceleration due to gravity