Andrews, Ernest John, 1863-, Howland, Howard Newell, 1865- joint author · New York, London, The Macmillan company · leaf 80
wing back when it has been pushedacross; but it will be well to see just how the force acts,and especially why the swing-board, or pendulum bob,swings horizontally and even upward. Referring to Fig. 19, when the bob is at J., gravity actsin the direction AB\ but it may be resolved, just as withthe… … Fig. 19. the support and tends to pull the bob under the point ofsuspension. This latter component will be effective untilthe point E is reached, whengravity will cease to be effec-tive ; but inertia will thencarry the bob onward, evenagainst gravity, until a point,A^ is reached practically equalin…
Physics
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