## Elements of Natural Philosophy |

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Page 6

general , expressed in feet or in metres per second ; if very great , as in the case

of light , it may be measured in miles per second . It is to be observed that Time ...

**Uniform**velocity is measured by the space passed over in unit of time , and is , ingeneral , expressed in feet or in metres per second ; if very great , as in the case

of light , it may be measured in miles per second . It is to be observed that Time ...

Page 8

... farther generalized so as to include change of direction as well as change of

speed . Acceleration of velocity may , of course be either adjacent o

variable . It is said to be PRELIMINARY . 8.

... farther generalized so as to include change of direction as well as change of

speed . Acceleration of velocity may , of course be either adjacent o

**uniform**orvariable . It is said to be PRELIMINARY . 8.

Page 9

o

increments of velocity in equal times , and is then measured by the actual

increase of velocity per unit of time . If we choose as the unit of acceleration that

which adds ...

o

**uniform**or variable . It is said to be**uniform**when the point receives equalincrements of velocity in equal times , and is then measured by the actual

increase of velocity per unit of time . If we choose as the unit of acceleration that

which adds ...

Page 10

Let a point describe a circle , ABD , radius R , with

determine the direction of acceleration , we must draw , as below , from a fixed

point . O , lines OP , OQ , etc , representing the velocity at A , B , etc. , in direction

and ...

Let a point describe a circle , ABD , radius R , with

**uniform**velocity V. Then , todetermine the direction of acceleration , we must draw , as below , from a fixed

point . O , lines OP , OQ , etc , representing the velocity at A , B , etc. , in direction

and ...

Page 11

From the principles already laid down , a great many interest . ing results may be

deduced , of which we enunciate a few of the simpler and more important . ( a ) If

the velocity of a moving point be

From the principles already laid down , a great many interest . ing results may be

deduced , of which we enunciate a few of the simpler and more important . ( a ) If

the velocity of a moving point be

**uniform**, and if its direction revolve uniformly in ...### What people are saying - Write a review

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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 expression figure fixed fluid force friction give given gravity harmonic Hence 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 produce projection proportional quantity radius reference relative remain remarkable resistance respectively rest resultant right angles rigid rotation round sides simple solid space spherical square straight strain stress suppose surface theory turned uniform unit velocity vertical weight whole wire