Andrews, Ernest John, 1863-, Howland, Howard Newell, 1865- joint author · New York, London, The Macmillan company · leaf 76
ll neither down nor up. So MN is the only portionof the total force which tends to move the ball. By geom-etry it will be seen that the triangles ABC and MNO aresimilar; hence AB is to ^(7 as MO is to MN\ and we haveonly to find the ratio between the height and length of theplane to know the ratio… … 62 GRA VITA TION [§112 SO small that the motion may be easily measured. Andknowing the ratio between the two forces and the accel-eration produced by one, we can readily determine theacceleration which tlie other will produce. But in getting the value of g by this method with anydegree of accuracy,…
Physics
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