Fill in the blank.
The amount of matter contained in a body is known as its ...........
Define mass. State its (1) S.I. (2) C.GS and (3) EP.S. units. How are they related ?
Write true or false :
Mass is the measure of quantity of matter.
The masses of five marbles are 50 g, 55 g, 60 g, 65 g and 70 g. Find their average mass.
Name and define the S.I. unit of time. How is it related to (i) minute (ii) hour, (iii) day and (iv) year ?
Define one kilogram, the S.I. unit of mass. How is it related to (i) quintal (ii) metric tonne and (iii) gram.