Mechanics of engineering (solids) : comprising statics and kinetics of solids, and the mechanics of the materials of construction, or strength and elasticity of beams, columns, shafts, arches, etc. : for use in technical schools (1911)
Church, Irving P. (Irving Porter), 1851-1931 · New York : Wiley ; London : Chapman & Hall · leaf 97
tan a = c-=- gr. If therefore the ties are placed at this angle a with the horizontal, the pressure will come upon the tread and not on the flanges of the wheels; in other words, the car will not leave the track. (This is really the same problem as the preceding ) Apparent weight of a body at the… … Fig. 84. CURVILINEAR MOTION OF A MATERIAL POINT. 79 whose indication is G lbs. (apparent weight), while the trueattraction is G lbs., we have G — G = Mc -=- r. For Mwe may use G ~ g (apparent values); for r about 20,000,000ft.; for c, 25,000 miles in 24 hrs., reduced to feet per second.It results…
Mechanics, Applied · Strength of materials
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