Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 34
as it falls; and in a secondor two it will be moving so fast that the eye can hardly follow it.In order to test experimentally the laws of motion we must devisesome means of reducing the acceleration. The following is a simpleand eflfective method of doin^ this.* *Devi3ed by Prof. A. W. Duff, of… … Fig. 16.—Apparatus to illustrate motion with uniform acceleration. black and make it very smooth. Along the middle of the groovescratch or paint a straight line; and near one end of the boardfasten a strip of brass, accurately at right angles to the length ofthe groove and extending just to the…
Physics
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