Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 85
a Fig. 85.—An easy methodto raise ones self. Fig. 86.—Find the pressureof the feet on the floor ? … Fig. 87.—The wheel Fig. 88.—Diagram and axle. 4. A man weighing 140 pounds pulls up a weight of 80 pounds by-means of a fixed pulley, under which he stands (Fig. 86). Find hispressure on the floor. 88. The Wheel and Axle. This machine is shown in Figs. 87, 88. It is evident that in onecomplete…
Physics
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