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 93
tion greatest ? In many cases, how may friction be increased ? Between the samesurfaces, to what is friction proportioned ? What effect is produced on the friction ofa body by increasing its surface ? Exemplify this with the figure. 190. Can frictionbe entirely removed ? In how many ways may it be… … FRICTION WHEEL8. Fis-82- axles of their wheels well covered with some lubricating preparation. 3/ The friction of a wheel maybe diminished by making its axle,that is, the cylinder running throughthe centre, turn on the circumfer-ences of two other wheels at eachend, as shown in Fig. 82. Suchwheels…
Physics
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