elementary treatise on nautral philosophy1873 |
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Página 11
... represented geometrically by a straight line drawn from the material point . It is obvious also that the force must act with some definite intensity , which is different in different cases . This intensity may manifest itself , for ...
... represented geometrically by a straight line drawn from the material point . It is obvious also that the force must act with some definite intensity , which is different in different cases . This intensity may manifest itself , for ...
Página 12
... represented in magnitude and direction by AB A R Fig . 2 - Parallelogram of Forces . and AC , there is a resultant , which is exactly represented by the diagonal AD of the paral- lelogram of which AB and AC are sides . This proposition ...
... represented in magnitude and direction by AB A R Fig . 2 - Parallelogram of Forces . and AC , there is a resultant , which is exactly represented by the diagonal AD of the paral- lelogram of which AB and AC are sides . This proposition ...
Página 26
... represented in section in Fig . 12 , to show that liquids are more compres- sible than solids , and to measure approximately the degree of their compressibility . The liquid to d be compressed is contained in a kind of large thermometer ...
... represented in section in Fig . 12 , to show that liquids are more compres- sible than solids , and to measure approximately the degree of their compressibility . The liquid to d be compressed is contained in a kind of large thermometer ...
Página 85
a. privat deschanel. CONSTRUCTION OF BALANCES . 85 ment represented in Fig . 42 is one of the most effectual . At the ... represents a balance of great delicacy , with the glass case that contains it . At the bottom is seen the extremity ...
a. privat deschanel. CONSTRUCTION OF BALANCES . 85 ment represented in Fig . 42 is one of the most effectual . At the ... represents a balance of great delicacy , with the glass case that contains it . At the bottom is seen the extremity ...
Página 95
... represents the variation of pressure for an element of area s , when its depth below the surface varies by a quantity ... represented by the weights of the cylinders mn , m'n ' ; these cylinders must , therefore , have the same height ...
... represents the variation of pressure for an element of area s , when its depth below the surface varies by a quantity ... represented by the weights of the cylinders mn , m'n ' ; these cylinders must , therefore , have the same height ...
Términos y frases comunes
acid action amount angle apparatus atmosphere atmospheric pressure axis barometer battery body Boyle's law called calorimeter carbonic acid centre of gravity circuit coil column compressed condensation conductor connected consists copper cylinder denote density diminished direction distance earth effect electricity electro-motive force employed equal equilibrium expansion experiment formula gases given glass globe Hence horizontal hygrometer inch increase instrument insulated latent heat length lens Leyden jar light liquid lower machine magnet means measured mercury metal millimetres mirror motion needle negative observed obtained opposite parallel particles passes pendulum piston placed plane plate pole portion position potential pressure produced proportional quantity ratio rays reflected refraction represented in Fig resistance result rotation side solid specific gravity specific heat steam substance sulphuric acid suppose surface telescope temperature tension thermometer tion tube vapour velocity vertical vessel vibrations volume weight wire zinc
Pasajes populares
Página 286 - Its banks and its bottom are of cold water, while its current is of warm. The Gulf of Mexico is its fountain, and its mouth is in the Arctic seas. It is the Gulf Stream. There is in the world no other such majestic flow of waters. Its current is more rapid than the Mississippi or the Amazon, and its volume more than a thousand times greater.
Página 499 - It is better, on this account, in graduating the bottle, to make two scratches as represented in the drawing, one at the top and the other at the bottom of the curve : this prevents any future mistake.
Página 437 - Q are related by р/с' = constant, where y is the ratio of specific heat at constant pressure to specific heat at constant volume, for compressible fluids.
Página 633 - Unlike sea water, brackish waters differ in quality, quantity, and composition not only from place to place, but also from time to time even at a given location.
Página 910 - R' P', SP, will have a constant ratio ; or the sines of the angles of incidence and refraction are in a constant ratio.
Página 218 - The resistance which is opposed to a pump rod in raising water, is ~equal to the weight of a column of water whose base is the area of the piston, and...
Página 315 - A GLACIER is AN IMPERFECT FLUID, OR A VISCOUS BODY. WHICH IS URGED DOWN SLOPES OF A CERTAIN INCLINATION BY THE MUTUAL PRESSURE OF ITS PARTS.
Página 9 - The principle of inertia is an abstract principle which must be considered as applicable to a single isolated particle. It may be enounced in the following terms: — An isolated 'material point cannot change its state, whether of rest or motion. That is to say, if it be at rest it will remain at rest; if it be in motion it will continue to move in the same direction and with the same velocity.
Página 92 - If a vessel full of water, closed on all sides, has two openings, the one a hundred times as large as the other, and if each be supplied with a piston which fits exactly, a man pushing the small piston will exert a force which will equilibrate that of a hundred men pushing the Pig. 49.— Pascal's Principle. piston which is a hundred times as large, and will overcome that of ninety-nine.
Página 71 - It is the curve which is traced by a point in the circumference of a circle which rolls along a straight line. The...