Appletons' School Physics: Embracing the Results of the Most Recent Researches in the Several Departments of Natural Philosophy |
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acceleration action amount angle apparatus atmosphere atmospheric pressure attraction balance ball battery body bulb called cell center of mass centimetres coil color compression conductor connected convex lens copper cord cubic cubic centimetre cubic foot cylinder Describe direction disk distance dynes earth effect elastic electricity electrified electroscope energy equal experiment Explain feet foot-pounds force fork friction galvanometer gases grammes gravity heat Hence hydrogen illustrated inch of mercury inches inductor iron length lens lever light liquid machine magnet mass measured mercury metal mirror molecules motion move needle object particle passes pendulum piece pipe piston placed plane plate pole position pounds pressure principle prism produced pull pump rays reflected refraction resistance retina rise rubber shown in Fig sound specific gravity substance Suppose surface temperature thermometer tion units vapor velocity vertical vibrations weight wire zinc
Popular passages
Page 31 - Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it is compelled by force to change that state.
Page 87 - 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 458 - Leyden, of much eminence, said that " he felt himself struck in his arms, shoulders, and breast, so that he lost his breath ; and it was two days before he recovered from the effects of the blow and the terror ; adding, that he would not take a second shock for the kingdom of France.
Page 294 - Since then the finite impulse given by an impulsive force may be supposed to be made up of an infinite number of infinitely small impulses, we may simplify our first notion of the mode of action of a force (Art.
Page 102 - 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 in the same straight line.
Page 166 - A book-binder has a press, with a screw whose threads are one-third of an inch apart, and a nut worked by a lever which describes a circle of 8 feet. How great a pressure will a power of 5 pounds applied at the end of the lever produce, the loss by friction being equivalent to 240 pounds ? CHAPTER IX.
Page 75 - Kelvin has shown that if a drop of water were magnified to the size of the earth the molecules of water would be of a size intermediate between that of a cricket ball and of a marble.