. Specific Gravity. 61 Make C as many inches as( W) contains tons, draw D Eparallel to A G, then DEmeasured in inches will bethe tension in tons of theguise A C, and C^ measuredin inches will be the pressurein the direction of the shear-leg CE. To Compute the Tension on the guise arithmetically. V\xt AB-c, B C - a, and A C= h. , . b (6^ -a- C-) WThen, tension in AC. And the pressure in GB ~ 0 V{a\-h-\-c){h+c-a){a-{C-h){a + h-c)a {IP+c-a) W 2c V{a-{-b\-c){a-\-b—c)[b-\-c~a){a\C—6) SPECIFIC GEAYITY. The comparative density of various su
. Specific Gravity. 61 Make C as many inches as( W) contains tons, draw D Eparallel to A G, then DEmeasured in inches will bethe tension in tons of theguise A C, and C^ measuredin inches will be the pressurein the direction of the shear-leg CE. To Compute the Tension on the guise arithmetically. V\xt AB-c, B C - a, and A C= h. , . b (6^ -a- C-) WThen, tension in AC. And the pressure in GB ~ 0 V{a\-h-\-c){h+c-a){a-{C-h){a + h-c)a {IP+c-a) W 2c V{a-{-b\-c){a-\-b—c)[b-\-c~a){a\C—6) SPECIFIC GEAYITY. The comparative density of various substances, expressed by theterm Specific Gravity, affords the means of readily determining thebulk from the known weight, or the weight from the known bulk;and this will be found more especially useful, in cases where thesubstance is too large to admit of being weighed, or too irregular inshape to allow of correct measurement. The standard with whichall solids and liquids are thus compared, is that of distilled water,one cubic foot of which weighs 1000 ounces avoirdupois; and thespecific gravity of a solid body is determined by the differencebetween its weight in the air and in water. Thus, If the body be heavier than water, it will displace a quantity offluid equal to it in bulk, and will lose as much weight on immer-sion as that of an equal bulk of the fluid. Let it be weighed first,therefore, in the air, and the
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectenginee, bookyear1856
