The apprentice, or First book for mechanics, machinists, and engineers (1860)
Byrne, Oliver · New York, P. J. Cozans · leaf 119
ported by the hinges A and B, then by theI^iucipal of the lever, sapposing A the fulcrum. Pressure on B X 4 = pressure on P X 3.Call X the pressure on B.... ix = 5625 X 3.-. 2:—4218 lbs. Ques. 21. Let H D = 12 feet, 0 D = 1.5 feet, ^veight ofa cubic foot of the material = 130 lbs., S Y = 5 leet, a… … 0 I) When the embankment is supported by a shore, or stay,S Y ; and it is required to find the thrust upon this staywhen the embankment is upon the point of overturning onthe edo;e 0. Weight of the embankmeut = 1.5 X 1 X 1-2 X 130Moment of the embankment 1.5 2340 lbs. 2340 X = 1755. Let 0 T be…
Mechanics, Applied
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