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QuestionsAnswers
What is mass? Mass is a measure of thr amount of substance or matter in it.
What is the SI unit of mass? Kilogram (kg)
What is density? Density of a substance is defined as it's mass per unit volume.
What is the SI unit for density? Kilogram per cubic metre.
What is weight? Weight is the force of gravity on the mass.
What is the SI unit of weight? Newtons. (N)
What is a moment? It is the turning effect of a force.
What is center of gravity? It is defined as the point through which its whole weight appears to act for any sort of orientation of the object.
Which of the following substanceshas the lowest density? lead, water, cork, air Air
Which of the following substances has the highest density? oakwood, mercury, crown glass, gold, glycerine Gold
Created by: frigness