Mechanics and heat; a text book for collleges and technical schools (1916)
Franklin, William S. (William Suddards), 1863-1930, Macnutt, Barry, 1878-1936, [from old catalog] joint author · New York, The Macmillan company; London, Macmillan & co., ltd. · leaf 84
SIMPLE STATICS. 69 determined the direction of the force at T we have everything given but the mag-nitude of two forces and therefore the problem falls under case c, Art. 20. 40. Find the force F in Fig. 40^ required to draw a 200-poundblock up an inclined plane of the dimensions shown, the… … Fig. 40£. Note. The block is in equilibrium under the action of three forces; (1) thedownward pull of the earth of 200 pounds, (2) the unknown force F (of which thedirection is known), and (3) the unknown force exerted on the block by the plane.This force is in the direction of the line P in Fig.…
Mechanics · Heat
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