Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 93
the bot-tom, rises, and forms an equatorialring within the glass. This illustratesthe probable method by which theearth, on the supposition that it wasonce in a fluid state, assumed itspresent spheroidal state. (Explain.)Pass a string through the longest diameter of an onion c, and causeit to… … Fig. 53. THE PENDULUM. 77 only when rotating about its shortest diameter; hence thetendency of a rotating hody to take this position. 1. a. What Is the cause of the stretching force exerted on the rubbercord when you swing a return ball about your hand ? 6. Suppose thatyou double the velocity of…
Physics
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