Elements of Natural Philosophy |
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Page 4
... surface ; in practice ( to escape as much as possible of the inevitable friction ) it is a wheel , on part of whose circumference the cord is wrapped . ( 1 ) Suppose we have a single pulley B , about which the flexible and inextensible ...
... surface ; in practice ( to escape as much as possible of the inevitable friction ) it is a wheel , on part of whose circumference the cord is wrapped . ( 1 ) Suppose we have a single pulley B , about which the flexible and inextensible ...
Page 17
... surface , diminishes according to the inverse square of the distance from the centre . Hence the rate at which a planet receives heat and light from the sun varies in simple proportion to the angular velocity of the radius - vector ...
... surface , diminishes according to the inverse square of the distance from the centre . Hence the rate at which a planet receives heat and light from the sun varies in simple proportion to the angular velocity of the radius - vector ...
Page 36
... surface within the body , with its centre at the fixed point C. All points of this sphere attached to the body will move on a sphere fixed in space . Hence the construction of §.gr may be made , only with great circles instead of ...
... surface within the body , with its centre at the fixed point C. All points of this sphere attached to the body will move on a sphere fixed in space . Hence the construction of §.gr may be made , only with great circles instead of ...
Page 37
... surface . Thus we see that if a spherical polygon turns about its angular points in succession , always keeping on the spherical surface , and if the angle through which it turns about each point is twice the supplement of the angle of ...
... surface . Thus we see that if a spherical polygon turns about its angular points in succession , always keeping on the spherical surface , and if the angle through which it turns about each point is twice the supplement of the angle of ...
Page 40
... surface to be touched at any point by another such body . Any motion of one on the other must be of one or more of the forms sliding , rolling , or spinning . The consideration of the first is so simple as to require no comment . Any ...
... surface to be touched at any point by another such body . Any motion of one on the other must be of one or more of the forms sliding , rolling , or spinning . The consideration of the first is so simple as to require no comment . Any ...
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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