Elements of Natural Philosophy, Volume 1 |
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Page 2
... moving point ; and these we shall now take up , deferring the consideration of Velocity to a future section , as being more closely connected with physical ideas . 8. The direction of motion of a moving point is at each instant the ...
... moving point ; and these we shall now take up , deferring the consideration of Velocity to a future section , as being more closely connected with physical ideas . 8. The direction of motion of a moving point is at each instant the ...
Page 4
... moving point describes it while passing round the figure . This is true whether the polygon be closed or not . If closed , then , as long as it is not crossed , this sum is four right angles , —an extension of the result in Euclid ...
... moving point describes it while passing round the figure . This is true whether the polygon be closed or not . If closed , then , as long as it is not crossed , this sum is four right angles , —an extension of the result in Euclid ...
Page 6
... moving point , is evident to all , and is matter of everyday conversation . Thus , a railway train , after starting , gradually increases its speed , and every one understands what is meant by saying that at a particular instant it ...
... moving point , is evident to all , and is matter of everyday conversation . Thus , a railway train , after starting , gradually increases its speed , and every one understands what is meant by saying that at a particular instant it ...
Page 7
... moving point increases ? ' i . e . What is the velocity of the moving point ? Newton's notation for the velocity , i.e. the rate at which s increases , or the fluxion of s , is s . notation is very convenient , as it saves the ...
... moving point increases ? ' i . e . What is the velocity of the moving point ? Newton's notation for the velocity , i.e. the rate at which s increases , or the fluxion of s , is s . notation is very convenient , as it saves the ...
Page 8
... moving with the first of the given velocities - and similarly OB for the second ; from A draw AC parallel and equal to OB . Join OC : then OC is the resultant velocity in magnitude A and direction . OC is evidently the diagonal of the ...
... moving with the first of the given velocities - and similarly OB for the second ; from A draw AC parallel and equal to OB . Join OC : then OC is the resultant velocity in magnitude A and direction . OC is evidently the diagonal of the ...
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Common terms and phrases
acceleration action amount angular velocity anticlastic attraction axis called centimetre centre of gravity centre of inertia circle circular co-ordinates component configuration consider constant 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 friction geometrical given force Hence hodograph horizontal infinitely small instant inversely kinetic energy length magnitude mass matter measured moment of inertia momentum moving normal section P₁ P₂ parallel parallelogram of forces particle path pendulum perpendicular plane perpendicular portion position potential 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 theory tion torsion uniform unit vertical whole wire