A natural philosophy : embracing the most recent discoveries in the various branches of physics, and exhibiting the application of scientific principles in everyday life .. (1899)
Quackenbos, G. P. (George Payn), 1826-1881 · New York, Cincinnati [etc.], American book company · leaf 44
This explains why a cord with which a stone is whirled round, as in asling, is more apt to break under a rapid motion than a slow one. Everytime the velocity is doubled, the strain on the cord is increased fourfold. 79. Effect of the Centrifugal Force on Revolving Bod-ies.—The centrifugal force… … acted in railroads ? How does instinct teach a horse to counteract the centrifugalforce? Describe the jugglers trick performed with the aid of the centrifugal force.78. What is the law of the centrifugal force ? When is the cord of a sling most apt tobreak, and why? 79. On what, besides bodies…
Physics
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