The apprentice, or First book for mechanics, machinists, and engineers (1860)
Byrne, Oliver · New York, P. J. Cozans · leaf 117
PRACTICAL MECHANICS. .*. x X 1050 = 35156.25.•. X -^ 5.79 feet. Ques, 18. Let the embankment liave the form of a tra-pezoid, A H R C, where A B = 3 feet; B C = 2 feet ; RC = 9 feet, and the weight of a cubic foot of the material= 100 lbs. ; will the embankment stand or fall, when thewater is at the… … the base at n, 2 feet from the centre of motion A ; and a linethrough the centre of gravity of the parallelogram H C, will cutA C at the distance of 4 feet from A. Weight of A B H = ^ ^ ^ x 1 X 100 := 1350 lbs. Moment of A B H = 1350 X 2 :zz= 2700 ; Weight ofBHRC=2X9XlX 100= 1800 lbs. Moment of B H…
Mechanics, Applied
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