Elements of Natural Philosophy, Volume 1 |
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Page 124
... wire , thread , or half the object - glass of a telescope ( as in micro- meters ) , the thread or wire , or the play of the tracing - point , being at right angles to the axis of the screw . 378. Suppose it be required to divide a line ...
... wire , thread , or half the object - glass of a telescope ( as in micro- meters ) , the thread or wire , or the play of the tracing - point , being at right angles to the axis of the screw . 378. Suppose it be required to divide a line ...
Page 125
... wire in the focus of its eye - piece coincides with the image of the object . The vernier attached to the telescope is then read off - and , the process being repeated for the second object , a simple subtraction gives at once the ...
... wire in the focus of its eye - piece coincides with the image of the object . The vernier attached to the telescope is then read off - and , the process being repeated for the second object , a simple subtraction gives at once the ...
Page 126
... wire , which can be worked ( by a lever ) from the outside of the glass case in which the balance is enclosed , and which may be placed in different positions upon one arm of the beam . This arm is gra- duated to tenths , etc. , and ...
... wire , which can be worked ( by a lever ) from the outside of the glass case in which the balance is enclosed , and which may be placed in different positions upon one arm of the beam . This arm is gra- duated to tenths , etc. , and ...
Page 127
... wire , and not by longitudinal extension or by flexure . Spring - balances we believe to be capable , if carefully con- structed , of rivalling the ordinary balance in accuracy , while , for some applications , they far surpass it in ...
... wire , and not by longitudinal extension or by flexure . Spring - balances we believe to be capable , if carefully con- structed , of rivalling the ordinary balance in accuracy , while , for some applications , they far surpass it in ...
Page 128
... wires , the angle through which the bar has been turned ( in a horizontal plane ) from its position of equilibrium , 7 the length of one of the wires . Then if Q be the couple tending to turn the bar , and W its weight , Wa2 sin we have ...
... wires , the angle through which the bar has been turned ( in a horizontal plane ) from its position of equilibrium , 7 the length of one of the wires . Then if Q be the couple tending to turn the bar , and W its weight , Wa2 sin we have ...
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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