Elements of Natural Philosophy, Part 1 |
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Page 57
... 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.
... 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 prɔ- 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 prɔ- 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 mutuņ 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 mutuņ 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 applied attraction axes axis called Cambridge centre of gravity centre of inertia circle circular co-ordinates component configuration consider constant corresponding cosine couple curvature curve cylinder Demy 8vo denote density described diagram displacement distance edition elastic ellipse ellipsoid elongation equal equations equilibrium external point fixed point fluid forces acting friction geometrical given force Hence hodograph inclined infinitely small instant inversely kinetic energy length magnitude mass matter measured moment of inertia momentum moving normal P₁ P₂ parallel parallelogram particle path pendulum perpendicular portion position pressure principal axes principle produce projection proportional quantity radius radius of gyration reckoned resultant right angles rigid body rotation round shear shell simple harmonic motion solid solid angle space spherical surface spiral square straight line strain suppose tangent torsion uniform unit University of Cambridge vertical whole wire
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Page 69 - a viribus impressis cogitur statum suum mutare. Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it may be compelled by impressed forces to change that state.
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