Physics

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Scott, Foresman and Company, 1910 - Physics - 414 pages
 

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Page 24 - Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it may be compelled by impressed forces to change that state.
Page 63 - To every action there is always an equal and contrary reaction ; or the mutual actions of any two bodies are always equal and oppositely directed.
Page 25 - ... is directly proportional to the product of the masses and inversely proportional to the square of the distance between them.
Page 90 - 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 82 - 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 276 - 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 177 - If now, we look along the wire in the direction in which the current is flowing, the magnetic field is whirling around the wire in the direction we would turn down a right-hand screw.
Page 90 - ... 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.

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