An Elementary Physics for Secondary Schools

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B. H. Sanborn & Company, 1900 - Physics - 371 pages
 

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Page 15 - Every body continues in its state of rest, or uniform motion in a straight line, except in so far as it may be compelled by force to change that state.
Page 35 - s Law of Universal Gravitation. Any two bodies in the universe are attracted to each other with a force that is proportional to the product of the masses of the two bodies and inversely proportional to the square of the distance between them.
Page 35 - Law of gravitation: Every particle of matter in the universe attracts every other particle with a force varying directly as the product of their masses and inversely as the square of the distance between them.
Page 352 - The intensity of light at a point varies inversely as the square of the distance of the point from the source of light and directly as the intensity of the source.] 17.
Page 29 - P must be equal in magnitude and opposite in direction to „ the resultant of the loads L.
Page 43 - Pressure at any point in a liquid is proportional to the depth of the point below the surface of the liquid...
Page 290 - The kilogramme is 1000 grammes ; and a gramme was intended to be the mass of a cubic centimetre of water at its temperature of maximum density, about 3'93°C.
Page 55 - A balloon rises because it is buoyed up by a force equal to the weight of the air it displaces.
Page 307 - Then weigh the flask filled with the liquid and subtract the weight of the flask ; the result is the weight of a volume of the liquid equal to the volume of the water.

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