Elements of Natural Philosophy |
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Page 57
... and is directed to the > R centre of the circle ; that is to say , it depends upon a change of di rection , not a change of speed , of the motion . 179. The Vis Viva , or Kinetic Energy , of DYNAMICAL LAWS AND PRINCIPLES . 57.
... and is directed to the > R centre of the circle ; that is to say , it depends upon a change of di rection , not a change of speed , of the motion . 179. The Vis Viva , or Kinetic Energy , of DYNAMICAL LAWS AND PRINCIPLES . 57.
Page 58
... Energy , of a moving body is pro . portional to the mass and the square of the velocity , conjointly . If we adopt the same units of mass and velocity as before , there is particular advantage in defining kinetic energy as half the ...
... Energy , of a moving body is pro . portional to the mass and the square of the velocity , conjointly . If we adopt the same units of mass and velocity as before , there is particular advantage in defining kinetic energy as half the ...
Page 68
... energy , if no other forces act on the body which can do work or have work done against them . If work be done against any forces , the increase of kinetic energy is less than in the former case by the amount of work so done . In virtue ...
... energy , if no other forces act on the body which can do work or have work done against them . If work be done against any forces , the increase of kinetic energy is less than in the former case by the amount of work so done . In virtue ...
Page 69
... energy . Thus a weight requires work to raise it to a height , a spring requires work to bend it , air requires work to compress.it , etc .; but a raised weight , a bent spring , compressed air , etc. , are stores of energy which can be ...
... energy . Thus a weight requires work to raise it to a height , a spring requires work to bend it , air requires work to compress.it , etc .; but a raised weight , a bent spring , compressed air , etc. , are stores of energy which can be ...
Page 73
... energy in any form . This is perfectly supplied by 227. LEX III . Actioni contrariam semper et aequalem esse reactio nem : sive corporum duorum actiones in se mutuò semper esse aequales . et in partes contrarias dirigi . To every action ...
... energy in any form . This is perfectly supplied by 227. LEX III . Actioni contrariam semper et aequalem esse reactio nem : sive corporum duorum actiones in se mutuò semper esse aequales . et in partes contrarias dirigi . To every action ...
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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 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 parallelogram particle path pendulum perpendicular plane perpendicular portion position pressure principal axes principle produce projection proportional quantity radius radius of gyration reckoned rectangular relative 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 vibrations weight whole wire