## Elements of Natural Philosophy, Part 1 |

### From inside the book

Page

... to omit nothing of importance : and we feel that it would have given us much

we written the volume anew without keeping the larger book constantly before us

.

... to omit nothing of importance : and we feel that it would have given us much

**less**trouble and anxiety , and would probably have ensured a better result , hadwe written the volume anew without keeping the larger book constantly before us

.

Page 6

23. The rate of motion of a point , or its rate of change of position , is called its

Velocity . It is greater or

or

variable .

23. The rate of motion of a point , or its rate of change of position , is called its

Velocity . It is greater or

**less**as the space passed over in a given time is greateror

**less**: and it may be uniform , i.e. the same at every instant ; or it may bevariable .

Page 11

For , since the velocity increases uniformly , its value at any time before the

middle of the interval is as much

after the middle of the interval is greater than the mean : and hence its value at

the ...

For , since the velocity increases uniformly , its value at any time before the

middle of the interval is as much

**less**than this mean as its value at the same timeafter the middle of the interval is greater than the mean : and hence its value at

the ...

Page 20

It is also approximated to more or

steam - engine А connected , by any of the several methods in use , with the

crank , provided always the rotatory motion of the crank be uniform . 73. The

velocity of a ...

It is also approximated to more or

**less**closely in the motion of the piston of asteam - engine А connected , by any of the several methods in use , with the

crank , provided always the rotatory motion of the crank be uniform . 73. The

velocity of a ...

Page 22

From A as centre , with AB the

CB touching this circle represents the most deviated resultant . Hence CBA is a

right angle ; A and AB sin BCA = СА . 77. A most interesting application of this

case ...

From A as centre , with AB the

**less**halfamplitude as radius , describe a circle .CB touching this circle represents the most deviated resultant . Hence CBA is a

right angle ; A and AB sin BCA = СА . 77. A most interesting application of this

case ...

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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 experience 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 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