Matter and Motion |
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Page 27
... to the second may be expressed as a velocity , by imagining the first quantity to represent the displace- ment of a particle , while the second flows uniformly with the time . suppose the number n to increase without limit the interval.
... to the second may be expressed as a velocity , by imagining the first quantity to represent the displace- ment of a particle , while the second flows uniformly with the time . suppose the number n to increase without limit the interval.
Page 28
James Clerk Maxwell. suppose the number n to increase without limit the interval will diminish without limit , and the mean velocities will approximate without limit to the actual velocities at the given instant . Finally , when n ...
James Clerk Maxwell. suppose the number n to increase without limit the interval will diminish without limit , and the mean velocities will approximate without limit to the actual velocities at the given instant . Finally , when n ...
Page 38
... we admit the permanency of the properties of bodies this can be done . We know that a thread of caoutchouc when stretched beyond a certain length exerts a tension MASS . 39 which increases the more the thread is 38 FORCE.
... we admit the permanency of the properties of bodies this can be done . We know that a thread of caoutchouc when stretched beyond a certain length exerts a tension MASS . 39 which increases the more the thread is 38 FORCE.
Page 39
James Clerk Maxwell. MASS . 39 which increases the more the thread is elongated . On account of this property the thread is said to be elastic . When the same thread is drawn out to the same length it will , if its properties remain ...
James Clerk Maxwell. MASS . 39 which increases the more the thread is elongated . On account of this property the thread is said to be elastic . When the same thread is drawn out to the same length it will , if its properties remain ...
Page 48
... increasing velocity , through infinite space . ARTICLE LVIII . - NEWTON'S PROOF NOT EXPERIMENTAL . This is contrary to the first law of motion , which asserts that a body does not change its state of motion unless acted on by external ...
... increasing velocity , through infinite space . ARTICLE LVIII . - NEWTON'S PROOF NOT EXPERIMENTAL . This is contrary to the first law of motion , which asserts that a body does not change its state of motion unless acted on by external ...
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Common terms and phrases
angular momentum ARTICLE attraction axis called centimetres centre of mass change of velocity circle configuration and motion constant corresponding deduce defined deflexion depends Descartes described diagram of displacements diagram of velocities distance ditto dynamical earth effect equal and opposite equal masses equilibrium exerted experiment experimental pendulum external agent external forces foot-pounds force acting given instant gramme gravitation heat Hence hodograph intensity of gravity interval Kepler's KEPLER'S THIRD LAW kinetic energy law of motion length magnets mass equal mass-area mass-vector material particle material system measured method moving mutual action Newton observed orbit origin parallel phenomena physical science planet portions of matter position potential energy pound poundals produce quantity rate of acceleration relative represent respect rotation SECOND LAW simple pendulum space straight line stress string THIRD LAW tion torsion balance total acceleration unit of mass vector vibration wire
Popular passages
Page 54 - 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 38 - 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 60 - The total energy of any material system is a quantity which can neither be increased nor diminished by any action between the parts of the system, though it may be transformed into any of the forms of which energy is susceptible...
Page 21 - The difference between one event and another does not depend on the mere difference of the times or the places at which they occur, but only on differences in the nature, configuration, or motion of the bodies concerned.
Page 35 - Every body perseveres in its state of rest or of moving uniformly in a straight line, except in so far as it is made to change that state by external forces.
Page 87 - Rise on the earth, or earth rise on the sun, He from the east his flaming road begin ; Or she from west her silent course advance With inoffensive pace, that spinning sleeps On her soft axle, while she paces even, And bears thee soft with the smooth air along, Solicit not thy thoughts with matters hid ; Leave them to God above, him serve and fear.
Page 59 - act of producing a change of configuration in a system in opposition to a force which resists that change.
Page 114 - ... bodies is proportional to the product of their masses divided by the square of the distance between them.
Page 60 - The doctrine of the conservation of energy is the one generalized statement which is to be found consistent with fact, not in one physical science only, but in all. When once apprehended it furnishes to the physical inquirer a principle on which he may hang every known law relating to physical actions, and by which he may be put in the way to discover the relations of such actions in new branches of science.
Page 20 - All our knowledge, both of time and place, is essentially relative. When a man has acquired the habit of putting words together, without troubling himself to form the thoughts which ought to correspond to them, it is easy for him to frame an antithesis between this relative knowledge and a so-called absolute knowledge, and to point out our ignorance of the absolute position of a point as an instance of the limitation of our faculties.