A College Text-book of Physics |
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Page 118
Therefore when any object is wholly or partially immersed in a liquid it is buoyed up by a force equal to the weight of the displaced liquid , and the center of pressure is where the center of gravity of the submerged portion would be ...
Therefore when any object is wholly or partially immersed in a liquid it is buoyed up by a force equal to the weight of the displaced liquid , and the center of pressure is where the center of gravity of the submerged portion would be ...
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Common terms and phrases
acceleration acting amount angle axis balance ball beam body called cause cell charge circuit coil conductor connected consequently constant containing copper density depends determined difference direction displacement distance earth effect electric electromotive force energy equal equilibrium experiment field figure flow give given glass gram gravity greater heat increase induction iron known length lens less light lines of force liquid lower magnet mass means measured mercury metal mirror motion moving negative object observed obtained opening opposite parallel particles pass pipe placed plane plate pole position potential pressure produced radiation raised rays reached reflected represented resistance resultant rotation shown shown in figure shows side sound substance Suppose surface temperature tube turns unit vapor velocity vessel vibration volume wave wave length weight wire
Popular passages
Page 275 - It is hardly necessary to add that anything which any insulated body or system of bodies can continue to furnish without limitation cannot possibly be a material substance ; and it appears to me to be extremely difficult, if not quite impossible, to form any distinct idea of anything capable of being excited and communicated in the manner in which heat was excited and communicated in these experiments except it be motion.
Page 574 - When a ray of light passes from one medium to another, it is refracted so that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocities in the two media.
Page 103 - The squares of the periodic times of the planets are proportional to the cubes of their mean distances from the Sun.
Page 118 - Archimedes stated that a body immersed in a fluid is buoyed up by a force equal to the weight of the displaced fluid.
Page 165 - We conclude that equal volumes of different gases at the same temperature and pressure contain equal numbers of molecules.
Page 7 - The straight line or distance between the centres of the transverse lines in the two gold plugs in the bronze bar deposited in the Office of the Exchequer...
Page 272 - Hypothesis states that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules.
Page 22 - Change of momentum is proportional to the force and to the time during which it acts, and is in the same direction as the force; (3) To every action there is an equal and opposite reaction.
Page 32 - ... the perpendicular distance from the axis to the line of action of Axis FIG.
Page 179 - 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.