Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 82
Fig. 77.—The steelyards. THE PULLEY 71 … ^ 2. A hand-barrow (Fig. 78), with the mass loaded on it weighs 210 pounds. The centre of gravity of tlie barrow and load is 4 feet from the front handles and 3 feet from the back ones. Find the amount each man carries 3. To draw a nailfrom apiece of woodrequires a pull of200 pounds. Aclaw-hammer…
Physics
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