A text book of elementary mechanics, for the use of colleges and schools (1881)
Dana, Edward Salisbury, 1849-1935 · New York, J. Wiley & sons · leaf 239
weight of 500 lbs. hangs by a rope 1 inch in thickness;r — 8 in., and B = 4 feet; the power acts on a lever-arm withouta rope: What is P? 5. A power of 12 lbs. balances a weight of 200 lbs.; the radiusof the axle is 3 inches: What is the diameter of the wheel ? 6. In Fig. 148, R = 18 in., and the… … Fig. 152. on one axis interlocks with a second turning on anotheraxis (Fig. 152), and in this way the force applied at 210.] TOOTHED WHEELS. 221 the first is communicated to the second. There maybe a mechanical advantage with a corresponding loss ofspeed, or a gain in velocity and a consequent…
Mechanics
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