Physics

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Scott, Foresman, 1905 - Physics
 

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Page 48 - Change of motion is proportional to the impressed force and takes place in the direction of the straight line in which the force acts.
Page 132 - The loss of weight of a body immersed in a fluid is equal to the weight of the displaced fluid, or a body immersed in a fluid is buoyed up by a force equal to the weight of the fluid displaced by it.
Page 130 - We took then a long glass tube which by a dexterous hand and the help of a lamp was in such a manner crooked at the bottom that the part turned up was almost parallel to the rest of the tube...
Page 128 - Archimedes stated that a body immersed in a fluid is buoyed up by a force equal to the weight of the displaced fluid. By means of this principle, known as Archimedes' principle, he determined that a crown was not pure gold.
Page 376 - It may also be defined as the sine of the angle of incidence divided by the sine of the angle of refraction, as light passes from air into the substance.
Page 352 - It will be seen from the above that the number of beats per second is equal to the difference in the vibration numbers of the two forks.
Page 119 - ... water-containing fluids are used where fire resistance is needed. See fire-resistant fluids. hydraulic system — system designed to transmit power through a liquid medium, permitting multiplication of force in accordance with Pascal's law, which states that "a pressure exerted on a confined liquid is transmitted undiminished in all directions and acts with equal force on all equal areas.
Page 381 - Why the image is seen as far behind the mirror as the object is in front of it.— Let AB be an arrow held Fig.
Page 60 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Page 108 - It can be seen from this equation that the correct angle of banking is proportional to the square of the velocity and inversely proportional to the radius of the curve.

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