## Elements of Natural Philosophy, Volume 1 |

### From inside the book

Results 1-5 of 40

... however the line be bent . 17 . The use of a cord in mechanism presents us

with many practical applications of this theory , which are in general extremely

simple ; although curious , and not always very easy , geometrical

**problems**

occur in ...

A further instance of this use of the idea of angular velocity may now be given , to

solve the

**problem**of finding the hodograph ( § 35 ) for any case of motion in

which the acceleration is directed to a fixed point , and varies inversely as the ...

Page 28

Such an investigation is sufficient as a solution of the

complex harmonic function expressing a given arbitrary periodic function , —

when once we are assured that the

assurance ...

Such an investigation is sufficient as a solution of the

**problem**, - to find acomplex harmonic function expressing a given arbitrary periodic function , —

when once we are assured that the

**problem**is possible ; and when we have thisassurance ...

W . A similar process is of course applicable to any combination of machinery ,

and we shall find it very convenient when we come to apply the principle of work

in various

**problems**of Mechanics . Thus in any Lever , turning in the plane of its ...

Page 36

But the general solution of this

admitted into the present treatise . 112 . We shall next consider the most general

possible motion of a rigid body of which no point is fixed - and first we must prove

...

But the general solution of this

**problem**demands higher analysis than can beadmitted into the present treatise . 112 . We shall next consider the most general

possible motion of a rigid body of which no point is fixed - and first we must prove

...

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### Common terms and phrases

acceleration according acting action amount angle angular applied attraction axes axis becomes body called centre centre of inertia circle cloth component condition consider constant corresponding couple course curvature curve denote density described determined direction displacement distance divided effect elastic elements energy equal equations equilibrium evidently expression figure fixed fluid force friction give given gravity harmonic Hence important increase infinitely small instant interval kinetic length less mass matter mean measured method motion moving natural normal observation opposite parallel particle passing path period perpendicular plane portion position potential practical pressure principle problem produce projection proportional quantity radius reference relative remain respectively rest resultant right angles rigid rotation round sides simple solid space spherical square straight strain stress suppose surface theory turned uniform unit velocity weight whole wire

### Popular passages

Page 161 - that every particle of matter in the universe attracts every other particle, with a force whose direction is that of the line joining the two, and whose magnitude is directly as the product of their masses, and inversely as the square of their distances from each other.

Page 9 - Persius. The Satires. With a Translation and Commentary. By John Conington, MA, late Corpus Professor of Latin in the University of Oxford. Edited by H. Nettleship, MA Second Edition.

Page 65 - Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it is compelled by force to change that state.

Page 10 - Crown 8vo. cloth, 7s. 6d. A Treatise on Electricity and Magnetism. By J. Clerk Maxwell, MA, FRS, Professor of Experimental Physics in the University of Cambridge.

Page 28 - Fourier's theorem is not only one of the most beautiful results of modern analysis, but may be said to furnish an indispensable instrument in the treatment of nearly every recondite question in modern physics.

Page 161 - 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 66 - 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 68 - To every action there is always an equal and contrary reaction; or, the mutual actions of any two bodies are always equal and oppositely directed in the same straight line.

Page 9 - An Elementary Treatise on Quaternions. By PG TAIT, MA, Professor of Natural Philosophy in the University of Edinburgh ; formerly Fellow of St Peter's College, Cambridge. Second Edition. Demy 8vo. 14*.

Page 130 - UNTIL we know thoroughly the nature of matter and the forces which produce its motions, it will be utterly impossible to submit to mathematical reasoning the exact conditions of any physical question.