Introduction to Physical ScienceGinn, 1890 - 353 pages |
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angle angle of incidence apparatus atmosphere atmospheric pressure attraction ball barometer battery body boiling bottom Bunsen Bunsen cell called carbon cause cells circuit coil colors concave mirror condensation conductor connected convex lens copper cylinder density direction disk distance earth electricity electro-motive force electrodes energy equal Experiment feet Figure flame flask galvanometer gases glass tube grams gravity heat hence hight inches increase intensity iron kinetic energy length light-waves liquid luminous machine magnet mass matter mechanical advantage mercury metals mirror molecules motion move needle object orifice pass piston plate pole potential potential energy pounds pressure produced quantity radiant energy radiations raise rarefaction rays reflected refraction represents resistance result rheostat rotate Section sound sound-waves space specific gravity spectrum Spool steam string substances surface suspended tangent galvanometer temperature tion unit vapor velocity vessel vibrations waves weight wire zinc
Popular passages
Page 80 - THIRD LAW OF MOTION : To every action there is an equal and opposite reaction.
Page 294 - It will be seen, by construction, that an image in a plane mirror appears as far behind the mirror as the object is in front of it, and is of the same size and shape as the object.
Page 343 - Meter (as the new unit was named) was therefore defined to be the ten-millionth part of the distance from the equator to the north pole, measured along the sea level, on the meridian passing through Paris.
Page 16 - Newton generalized the law of attraction into a statement that every particle of matter in the universe attracts every other particle with a force which varies directly as the product of their masses and inversely as the square of the distance between them; and he thence deduced the law of attraction for spherical shells of constant density.
Page 30 - But it indirectly feels the pressure of the air on the surface of the water in the open vessel, and it is this pressure that sustains the water in the jar. But the...
Page 112 - How does this ratio compare with the ratio between the length of the two arms ? For convenience we call the distance of the point of application of the force from the fulcrum the force-arm, and the distance of the resistance from the fulcrum the resistancearm.
Page 343 - Measures of Length 10 millimeters (mm) =1 centimeter cm 10 centimeters =1 decimeter dm 10 decimeters =1 meter m 10 meters =1 dekameter Dm 10 dekameters =1 hektometer Hm 10 hektometers =1 kilometer Km...
Page 141 - ... on. (e) The Potential Energy, or " Fuel Value," of the Food Ingested The amount of potential energy in the food intake can be directly determined by measuring the heat given off on its combustion. As a unit of measurement we make use of the large calorie (Cal.), that is, the amount of heat necessary to raise the temperature of one kilogram of water from 0° to 1° C. When one gram of glucose is burned in a bomb calorimeter, it yields heat sufficient to raise the temperature of one liter of water...
Page 77 - The moment of a force is said to be positive when it tends to produce right-hand rotation, ie rotation in the direction in which the hands of a clock move, and negative when its tendency is in the reverse direction. If two forces act at different points of a body which is free to rotate about a fixed point, they will produce equilibrium when the algebraic sum of their moments is zero.