## Elements of Natural Philosophy |

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Page 1

The science which investigates the action of

writers , DYNAMICS . It is commonly , but erroneously , called MECHANICS ; a

term employed by Newton in its true sense , the Science of Machines , and the art

...

The science which investigates the action of

**Force**is called , by the most logicalwriters , DYNAMICS . It is commonly , but erroneously , called MECHANICS ; a

term employed by Newton in its true sense , the Science of Machines , and the art

...

Page 43

It is very inextensible ; that is to say , it yields very little to any application of

tending to pull or stretch it in any direction , up to the strongest it can bear without

tearing . It does , of course , stretch a little . It is easy to test that it stretches when ...

It is very inextensible ; that is to say , it yields very little to any application of

**force**tending to pull or stretch it in any direction , up to the strongest it can bear without

tearing . It does , of course , stretch a little . It is easy to test that it stretches when ...

Page 59

attractive or repulsive actions of electricity , magnetism , etc . 184 . The three

elements specifying a

a ...

**Force**may be of ' divers kinds , as pressure , or gravity , or friction , or any of theattractive or repulsive actions of electricity , magnetism , etc . 184 . The three

elements specifying a

**force**, or the three elements which must be known , beforea ...

Page 60

Thus , let W be the mass of a body in pounds ; ģ the velocity it would acquire in

falling for a second under the influence of its weight , or the earth ' s attraction

diminished by centrifugal

...

Thus , let W be the mass of a body in pounds ; ģ the velocity it would acquire in

falling for a second under the influence of its weight , or the earth ' s attraction

diminished by centrifugal

**force**; and P its weight measured in kinetic or absolute...

Page 61

employed to calculate the most probable value of the apparent

being the resultant of true gravitation and centrifugal

no pendulum observation of sufficient accuracy has been made . This formula ...

employed to calculate the most probable value of the apparent

**force**of gravity ,being the resultant of true gravitation and centrifugal

**force**, in any locality whereno pendulum observation of sufficient accuracy has been made . This formula ...

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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 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 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