Elements of Natural Philosophy, Volume 1 |
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Page 6
... quantity - what in the differential cal- culus is called an independent variable . Its physical definition is given in the next chapter . 24. Thus a point , which moves uniformly with velocity v , describes a space of v feet each second ...
... quantity - what in the differential cal- culus is called an independent variable . Its physical definition is given in the next chapter . 24. Thus a point , which moves uniformly with velocity v , describes a space of v feet each second ...
Page 8
... quantity as either positive or negative : and ( § 34 ) is farther generalized so as to include change of direction as well as change of speed . Acceleration of velocity may of course be either uniform or variable . It is said to be ...
... quantity as either positive or negative : and ( § 34 ) is farther generalized so as to include change of direction as well as change of speed . Acceleration of velocity may of course be either uniform or variable . It is said to be ...
Page 14
... quantity . As the kinematical propositions with which we are dealing have important bearings on Physical Astronomy , we enunciate here Kepler's Laws of Planetary Motion . They were deduced originally from observation alone , but Newton ...
... quantity . As the kinematical propositions with which we are dealing have important bearings on Physical Astronomy , we enunciate here Kepler's Laws of Planetary Motion . They were deduced originally from observation alone , but Newton ...
Page 16
... the angular velocity is not uniform , as in T ́a planet's motion , it is useful to introduce the quantity , which is then called the mean angular velocity . 59. When a point moves uniformly in a straight line 16 PRELIMINARY .
... the angular velocity is not uniform , as in T ́a planet's motion , it is useful to introduce the quantity , which is then called the mean angular velocity . 59. When a point moves uniformly in a straight line 16 PRELIMINARY .
Page 51
... quantity of a fluid within any space at any time must be equal to the quantity originally ́in that space , increased by the whole quantity that has entered it , and diminished by the whole quantity that has left it . This idea , when ...
... quantity of a fluid within any space at any time must be equal to the quantity originally ́in that space , increased by the whole quantity that has entered it , and diminished by the whole quantity that has left it . This idea , when ...
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Common terms and phrases
acceleration action amount angular velocity anticlastic attraction axis called centre of gravity centre of inertia circle circular co-ordinates component configuration consider constant cord corresponding cosine couple curvature curve cylinder denote density described diagram displacement distance ellipse ellipsoid elongation equal equations equilibrium external point finite fixed point flexure fluid forces acting formulae friction geometrical given force Hence hodograph horizontal inclined infinitely small instant inversely kinetic energy length magnitude mass matter measured moment of inertia momentum moving normal section P₁ parallel particle path pendulum perpendicular plane perpendicular portion position pressure principal axes principle produce projection proportional quantity radius radius of gyration reckoned rectangular right angles rigid body rotation round shear shell sides simple harmonic motion solid angle space spherical surface spiral square straight line strain stress suppose tangent theorem tion torsion uniform unit vertical weight whole wire