The apprentice, or First book for mechanics, machinists, and engineers (1860)
Byrne, Oliver · New York, P. J. Cozans · leaf 54
the work done in raising W and the pul-leys = Wxlx4:Xlx4LX3 = Wxl*i;The work of P = 60 X ^ ; .-. W X Vi = GO X 4t.W =z 228 lbs. OF THE INCLINED PLANE. To find the pressure necessary to support a body on aninclined plane without friction. Let the weight W, bedrawn up the inclined plane A C by means… … Work in raising W — W X C U ;Work due to the descent of P = P X AC; •. PXAC:=:WXCB; . p - ^^ w 50 rRACJICAL MECHANICS. Ques, 24. The length of an inclined plane is 30 feet, theperpendicular height 10 feet, and the weight of the bodyW = 20 cwt., what pressure P, will be required to sustainthe body…
Mechanics, Applied
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