Elements of Natural Philosophy |
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Page 2
... velocity , nor of direction unless where the velocity is zero , since ( as we shall afterwards see ) such would imply the action of an infinite force . It is useful to con- sider at the outset various theorems connected with the ...
... velocity , nor of direction unless where the velocity is zero , since ( as we shall afterwards see ) such would imply the action of an infinite force . It is useful to con- sider at the outset various theorems connected with the ...
Page 6
... Velocity . It is greater or less as the space passed over in a given time is greater or less : and it may be uniform , i.e. the same at every instant ; or it may be variable . Uniform velocity is measured by the space passed over in ...
... Velocity . It is greater or less as the space passed over in a given time is greater or less : and it may be uniform , i.e. the same at every instant ; or it may be variable . Uniform velocity is measured by the space passed over in ...
Page 7
... velocity at either beginning or end , or at any instant , of an interval t , and s the space actually described in that interval ; the equation = ( which expresses the definition of the average velocity , §6 ) is more and more nearly ...
... velocity at either beginning or end , or at any instant , of an interval t , and s the space actually described in that interval ; the equation = ( which expresses the definition of the average velocity , §6 ) is more and more nearly ...
Page 8
... velocity V up an Inclined Plane , making an angle a with the horizon , has a vertical velocity V sin a and a horizontal velocity Vcosa . Or it may be resolved into components in any three rectangular directions , each component being ...
... velocity V up an Inclined Plane , making an angle a with the horizon , has a vertical velocity V sin a and a horizontal velocity Vcosa . Or it may be resolved into components in any three rectangular directions , each component being ...
Page 9
... velocity in equal times , and is then measured by the actual increase of velocity per unit of time . If we choose as the unit of acceleration that which adds a unit of velocity per unit of time to the velocity of a point , an ...
... velocity in equal times , and is then measured by the actual increase of velocity per unit of time . If we choose as the unit of acceleration that which adds a unit of velocity per unit of time to the velocity of a point , an ...
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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