A system of natural philosophy, designed for the use of schools and academies (1845)
Moffat, J[ohn] M. [from old catalog] · Philadelphia, E. C. Biddle · leaf 56
ane, and D G, or F E, in the directionof that declivity: the former force it is Ho\v can the force of gravitation in a body pressing a horizontal planebe measured ? What effect on the pressure of the plane will result fromits becoming inclined ? When will motion commence on the inclinedplane ? Of… … MECHANICS.
Physics
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