Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 56
purgears to a drum 6 inches in radius, (a) what displacement of W results per turn of the hand-wheel? (P.D. = pitch diameter.) (b) what weight W can be raised with constant velocity WORK AND ENERGY 39 by a force of 30 pounds applied tangentially to the handle ofthe hand-wheel ? (c) If the… … Fig. 26 Tractive Force of a Locomotive. In all applications oftifcie principle of work it is exceedingly important to fix theattention upon some part (or connected parts, or even thewhole) of the mechanism in question and to represent itas a free body showing all the forces acting upon it. • In the…
Mechanics
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