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 91
E is a table,on which rests the block C. A string,passing over the pulley B, connects thisblock with a scale, A. By puttingweights in the scale till the block moves,we are enabled to measure its friction ;and, by making the block of differentmaterials, varying its size and surface,and allowing it… … given surface and moving body, how does sliding friction compare with rolling fric-tion? Mention some familiar cases in which we convert sliding into rolling friction,to lessen the resistance. What is said of the size of the wheels and rollers employed?In what cases is rolling friction converted…
Physics
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