Physical Properties Physical Properties are those which can be measured or observed without changing the identity or composition of the substance. For example : Mass, volume, melting point, boiling point. Chemical properties Chemical properties are those in which a chemical change in the substance occurs. The measurement of any physical quantity consists of two … [Read more...] about Physical Quantities
weight
Mass, Weight, Pressure, Thrust
Question 1 Define the term mass? Give its unit? Question 2 A man weight 600 N on the earth. What is his mass.If he were taken on the moon, his weight would be 100 N.what is his mass on the moon? What is the acceleration due to gravity on the moon? Question 3 How much a 70 kg man weigh on the moon. What would be his mass on the earth and on the moon? Question 4 Define … [Read more...] about Mass, Weight, Pressure, Thrust