## Elements of Natural Philosophy |

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Page

56 III . EXPERIENCE II IV . MEASURES AND INSTRUMENTS I22 DIVISION 11.

ABSTRACT DYNAMICS . 19 136 V. INTRODUCTORY VI . STATICS OF A

PARTICLE .

140 .

56 III . EXPERIENCE II IV . MEASURES AND INSTRUMENTS I22 DIVISION 11.

ABSTRACT DYNAMICS . 19 136 V. INTRODUCTORY VI . STATICS OF A

PARTICLE .

**ATTRACTION**. VII . STATICS OF SOLIDS AND FLUIDS APPENDIX140 .

Page 60

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

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

diminished by centrifugal force ; and P its weight measured in kinetic or absolute

units ...

Thus , let W be the mass of a body in pounds ; g 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

units ...

Page 68

Thus the mutual normal pressure between a fixed and moving body , the tension

of the cord to which a pendulum bob is attached , or the

planet if the planet describe a circle with the sun in the centre , are all instances ...

Thus the mutual normal pressure between a fixed and moving body , the tension

of the cord to which a pendulum bob is attached , or the

**attraction**of the sun on aplanet if the planet describe a circle with the sun in the centre , are all instances ...

Page 70

... which the earth turns through equal angles . The sun moves through equal

portions of interstellar space in times during which the earth turns through equal

angles , except in so far as the resistance of interstellar matter , and the

...

... which the earth turns through equal angles . The sun moves through equal

portions of interstellar space in times during which the earth turns through equal

angles , except in so far as the resistance of interstellar matter , and the

**attraction**...

Page 72

... amounts of the earth's

exerted on different bodies , the changes of velocity produced in . equal times

must be inversely as the masses of the various bodies . This is approximately the

case ...

... amounts of the earth's

**attraction**at these places . Again , if equal forces beexerted on different bodies , the changes of velocity produced in . equal times

must be inversely as the masses of the various bodies . This is approximately the

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 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