 | John Charles Hessler - 1914 - 508 стор.
...saying that the density of wood is less than the density of lead (Fig. 27). We have already learned that the mass of a body is the quantity of matter in it (cf. § 20). We may now deGold. Lead. Copper. Aluminum. Coal. Wood. FIG. 27. Cubes of Different Volumes,... | |
 | Alfred Peter Poorman - 1917 - 264 стор.
...with the latitude and with the height above sea level. The unit of force commonly used is the pound. The mass of a body is the quantity of matter in it, and is constant, regardless of position. Mass may be determined by means [INTRO. of the lever arm balance,... | |
 | Harry Moore - 1923 - 844 стор.
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 | W. T. Clough - 1923 - 294 стор.
...MASS— THE SPRING BALANCE— THE COMMON BALANCE— DETERMINATION OF AREAS AND VOLUMES BY WEIGHING The mass of a body is the quantity of matter in it. In measuring the mass of a body we therefore compare the quantity of matter in it with that in some... | |
 | Henry Norris Russell, Raymond Smith Dugan, John Quincy Stewart - 1926 - 514 стор.
...elementary manner, of the proper meanings of such words as "mass," "density," etc. Very briefly, then : the mass of a body is the "quantity of matter" in it, and may be expressed in grams or pounds ; its volume is the amount of space occupied by it, and. may... | |
 | 1958 - 532 стор.
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MASS AND WEIGHT.— The mass of a body is the quantity of matter in it ; the weight of a body is due to the force of gravity acting upon this matter. 
