Matter and Motion |
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Page v
... XXXI . On Change of Velocity . XXXII . On Acceleration .................................... XXXIII . On the Rate of Acceleration 27 28 29 29 30 31 82 XXXIV . Diagram of Accelerations ............. ...............................
... XXXI . On Change of Velocity . XXXII . On Acceleration .................................... XXXIII . On the Rate of Acceleration 27 28 29 29 30 31 82 XXXIV . Diagram of Accelerations ............. ...............................
Page 31
... RATE OF ACCELERATION . We have hitherto been considering the total accele- ration which takes place during a certain interval of time . If the rate of acceleration is constant , it is measured by the total acceleration in a unit of time .
... RATE OF ACCELERATION . We have hitherto been considering the total accele- ration which takes place during a certain interval of time . If the rate of acceleration is constant , it is measured by the total acceleration in a unit of time .
Page 32
... rate of acceleration of the body B with respect to the body A. It may be well to observe here that in the diagram of configuration we use the capital letters , A , B , C , & c . , to indicate the relative position of the bodies of the ...
... rate of acceleration of the body B with respect to the body A. It may be well to observe here that in the diagram of configuration we use the capital letters , A , B , C , & c . , to indicate the relative position of the bodies of the ...
Page 51
... acceleration , and rate of acceleration , the masses of the bodies to which they correspond , we may find in each of these diagrams a point which corresponds to the centre of mass , and indicates the displacement , velocity , total ...
... acceleration , and rate of acceleration , the masses of the bodies to which they correspond , we may find in each of these diagrams a point which corresponds to the centre of mass , and indicates the displacement , velocity , total ...
Page 55
... acceleration . We have thus a series of different kinds of mass- vectors corresponding to the series of vectors ... rate of mass displacement is momentum , just as the rate of displacement is velocity . The change of momentum is impulse ...
... acceleration . We have thus a series of different kinds of mass- vectors corresponding to the series of vectors ... rate of mass displacement is momentum , just as the rate of displacement is velocity . The change of momentum is impulse ...
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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.