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Page xxii
... force . Its geometrical repre- sentation . Numerical estimation in particular cases . Resolution into rectangular components . Radial , transversal , and orthogonal dis- turbing forces . Normal and tangential . Their characteristic ...
... force . Its geometrical repre- sentation . Numerical estimation in particular cases . Resolution into rectangular components . Radial , transversal , and orthogonal dis- turbing forces . Normal and tangential . Their characteristic ...
Page 142
... force ge- nerates a tendency in all the water to leave the axis , and press towards the circum- ference ; it is , therefore , urged against the pail , and forced up its sides , till the excess of height , and consequent increase of pre ...
... force ge- nerates a tendency in all the water to leave the axis , and press towards the circum- ference ; it is , therefore , urged against the pail , and forced up its sides , till the excess of height , and consequent increase of pre ...
Page 144
... force , which , at the equator , appears to be th part of the force or weight by which all bodies , whether solid or liquid , tend to fall towards the earth . By this fraction of its weight , then , the sea at the equator is lightened ...
... force , which , at the equator , appears to be th part of the force or weight by which all bodies , whether solid or liquid , tend to fall towards the earth . By this fraction of its weight , then , the sea at the equator is lightened ...
Page 148
... force urging any given weight to the earth may be determined , consists in ascertaining the velocity imparted by it to the weight when suffered to fall freely in a given time , as one second . This velocity cannot , indeed , be directly ...
... force urging any given weight to the earth may be determined , consists in ascertaining the velocity imparted by it to the weight when suffered to fall freely in a given time , as one second . This velocity cannot , indeed , be directly ...
Page 149
... force ; the centrifugal force produces an ellipticity in the form of the earth itself ; and this very ellipticity of form modifies its power of attraction on bodies placed at its surface , and thus gives rise to the dif- ference in ...
... force ; the centrifugal force produces an ellipticity in the form of the earth itself ; and this very ellipticity of form modifies its power of attraction on bodies placed at its surface , and thus gives rise to the dif- ference in ...
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Common terms and phrases
amount angle angular appear apsides ascertained astronomical attraction axis bright calculation celestial circle comet curve described diameter difference direction disc distance disturbed body disturbing force diurnal diurnal motion double stars earth ecliptic Edition effect epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity heavens heliocentric hemisphere horizon inclination inequality instance instrument interval Julian period Jupiter latitude latter less light longitude lunar magnitude mass mean measure meridian moon moon's motion nearly nebula node normal force nutation object observed orbit parallax parallel perigee perihelion period perturbations phænomena planet planetary pole portion position precession proper motions proportion recede reckoned refraction remarkable respect result revolution revolving right ascension rotation round satellites Saturn seen sidereal sidereal day situation solar sphere spherical stars station sun's suppose surface syzygies tangential force telescope tion Uranus variation velocity visible vols whole zenith