Elements of Natural Philosophy, Part 1 |
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Page 1
... rest or to prevent change of motion , and 2 ° so as to produce or to change motion . Dynamics , therefore , is divided into two parts , which are conveniently called STATICS and KINETICS . 3. In Statics the action of force in maintaining ...
... rest or to prevent change of motion , and 2 ° so as to produce or to change motion . Dynamics , therefore , is divided into two parts , which are conveniently called STATICS and KINETICS . 3. In Statics the action of force in maintaining ...
Page 8
... rest . Hence the resultant of velocities represented by the sides of any closed polygon whatever , whether in one plane or not , taken all in the same order , is zero . Hence also the resultant of velocities represented by all the sides ...
... rest . Hence the resultant of velocities represented by the sides of any closed polygon whatever , whether in one plane or not , taken all in the same order , is zero . Hence also the resultant of velocities represented by all the sides ...
Page 18
... rest , while the motions of the others will remain the same with regard to it as before . Thus , to take a very simple example , two trains are running in opposite directions , say north and south , one with a velocity of fifty , the ...
... rest , while the motions of the others will remain the same with regard to it as before . Thus , to take a very simple example , two trains are running in opposite directions , say north and south , one with a velocity of fifty , the ...
Page 32
... rest , the motion of the circle circumscribing OBQA is one of internal rolling on a circle of double its diameter . Hence if a circle roll internally on another of twice its diameter any point in its circumference describes a diameter ...
... rest , the motion of the circle circumscribing OBQA is one of internal rolling on a circle of double its diameter . Hence if a circle roll internally on another of twice its diameter any point in its circumference describes a diameter ...
Page 35
... rest during the interval τ if the sum of these displacements is zero - i . e . if w1.1ẞ = w.Ia . - b P B Hence the line OI is instantaneously at rest , or the two rotations about OA and OB may be compounded into one about OI . Draw Ip ...
... rest during the interval τ if the sum of these displacements is zero - i . e . if w1.1ẞ = w.Ia . - b P B Hence the line OI is instantaneously at rest , or the two rotations about OA and OB may be compounded into one about OI . Draw Ip ...
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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