Differentiate between the following:-
1. density and relative density
2. mass and weight
3. beam balance and spring
Give reason for the following:-
1. A physical balance is enclosed in a glass case.
2. It is easier to sell a boat in sea water than in a river water
3. In Science laboratory only a physical or chemical balance is used.
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Answers
Answer:
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Explanation:
==>Density is the ratio between the mass and the volume of a body. Relative density, on the other hand, is the ratio between the density of an object (substance) and the density of some other reference object (substance) at some given temperature. Density is measured in, while relative density is dimensionless.
==> Mass is a measurement of the amount of matter something contains, while Weight is the measurement of the pull of gravity on an object. 2) Mass is measured by using a balance comparing a known amount of matter to an unknown amount of matter. Weight is measured on a scale.
==>Beam balance is used to measure the mass of an object. Spring balance is used to measure the weight of an object. A beam balance measures the mass of the body while a spring balance measures the weight of the body taken into consideration
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