Miscellanea Curiosa: Or, Entertainments for the Ingenious of Both Sexes...

الغلاف الأمامي
 

ما يقوله الناس - كتابة مراجعة

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الصفحات المحددة

طبعات أخرى - عرض جميع المقتطفات

عبارات ومصطلحات مألوفة

مقاطع مشهورة

الصفحة 5 - Let us now go on to the other planets. Because the revolutions of the primary planets about the sun and of the secondary about Jupiter and Saturn are phenomena of the same kind with the revolution of the moon about the earth, and...
الصفحة 5 - But by what was shown before, the very same ratio holds between the centripetal force of the moon revolving in its orbit, and the centripetal force of the moon near the surface of the earth. Therefore the centripetal force near the surface of the earth is equal to the force of gravity. Therefore...
الصفحة 3 - ... the squares of the periodic times are as the cubes of the distances from the common centre, the centripetal forces will be inversely as the squares of the distances.
الصفحة 21 - And thou, dost thou disdain to yield thy breath, Whose very life is little more than death ? More than one half by lazy sleep possest ; And when awake, thy soul but nods at best, 265 Day-dreams and sickly thoughts revolving in thy breast, Eternal troubles haunt thy.
الصفحة 5 - ... centripetal force of the moon near the surface of the earth. Therefore the centripetal force near the surface of the earth is equal to the force of gravity. Therefore these...
الصفحة 13 - I wish we could derive the rest of the phenomena of nature by the same kind of reasoning from mechanical principles; for I am induced by many reasons to suspect that they may all depend upon certain forces by which the particles of bodies, by some causes hitherto unknown, are either mutually impelled towards each other, and cohere in regular figures, or are repelled and recede from each other...
الصفحة 3 - ... the relative velocity with which the fluid pushes the body behind is equal to the velocity with which the body...
الصفحة 5 - Alphonso were now alive he would not complain for want of the graces either of simplicity or of harmony in it. Therefore we may now more nearly behold the beauties of Nature and entertain ourselves...
الصفحة 4 - Without all doubt this world, so diversified with that variety of forms and motions we find in it, could arise from nothing but the perfectly free will of God directing and presiding over all. From this fountain it is that those laws, which we call the laws of Nature, have flowed, in which there appear many traces indeed of the most wise contrivance, but not the least shadow of necessity. These therefore we must not seek from uncertain conjectures, but learn them from observations and experiments.

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