## Elements of Natural Philosophy, Volume 1 |

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Page 17

We can calculate from astronomical data for any instant the direction in which ,

and the velocity with which , we are moving on account of the earth's diurnal

earth in ...

We can calculate from astronomical data for any instant the direction in which ,

and the velocity with which , we are moving on account of the earth's diurnal

**rotation**. We may compound this with the ( equally calculable ) velocity of theearth in ...

Page 20

... which the motion is rectilineal , if the motion of the

motion of the treadle in a spinning - wheel approximates to the same condition

when the wheel moves uniformly ; the approximation being the closer , the

smaller ...

... which the motion is rectilineal , if the motion of the

**rotating**part is uniform . Themotion of the treadle in a spinning - wheel approximates to the same condition

when the wheel moves uniformly ; the approximation being the closer , the

smaller ...

Page 27

This is intimately connected with the explanation of two sets of important

phenomena , —the

certain fluids on the one hand , and by transparent bodies under magnetic forces

on the ...

This is intimately connected with the explanation of two sets of important

phenomena , —the

**rotation**of the plane of polarization of light , by quartz andcertain fluids on the one hand , and by transparent bodies under magnetic forces

on the ...

Page 28

through its point of suspension , and containing in its bob a fly - wheel in rapid

motions , we must enunciate Fourier's Theorem , which is not only one of the

most ...

through its point of suspension , and containing in its bob a fly - wheel in rapid

**rotation**. 88. [ Before leaving for a time the subject of the composition of harmonicmotions , we must enunciate Fourier's Theorem , which is not only one of the

most ...

Page 29

The preceding simple construction therefore enables us not only to demonstrate

the general proposition ( $ _91 ) , but also to determine from the two positions AB

, A'B ' of the figure the common centre and the amount of the angle of

The preceding simple construction therefore enables us not only to demonstrate

the general proposition ( $ _91 ) , but also to determine from the two positions AB

, A'B ' of the figure the common centre and the amount of the angle of

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### Common terms and phrases

acceleration according acting action amount angle angular applied attraction axes axis body called centre centre of inertia circle 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 perpendicular plane portion position potential practical pressure principle problem produce projection proportional quantity radius reference relative remain remarkable 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