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 20
ed in Fig. 3. On the top of a shortpillar is placed a card, and on the card a brassball. Beside the pillar is fixed a steel spring,with an apparatus for drawing it back. If the is Inertia? What is a Force ? What evidences of the inertia of matter have we innature ? If inertia is one of the… … 16 PROPERTIES OF MATTER. spring is drawn back and then suddenly released, it will drive the card fromthe top of the pillar, while the ball in consequence of its inertia will retainits place. Those who have not the above apparatus may balance a card with a pennyplaced upon it on the tip of one of…
Physics
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