Word cloud mathematica10/30/2023 ![]() ![]() This part of Mechanics was cultivated by the ancients in the Five Powers which relate to manual arts, who considered gravity (it not being a manual power) no otherwise than as it moved weights by those powers. In this sense Rational Mechanics will be the science of motions resulting from any forces whatsoever and of the forces required to produce any motions, accurately proposed and demonstrated. But since the manual arts are chiefly conversant in the moving of bodies, it comes to pass that Geometry is commonly referred to their magnitudes, and Mechanics to their motion. Therefore Geometry is founded in mechanical practice, and is nothing but that part of universal Mechanics which accurately proposes and demonstrates the art of measuring. ![]() And it is the glory of Geometry that from those few principles, fetched from without, it is able to produce so many things. The solution of these problems is required from Mechanics and by geometry the use of them, when so solved, is shown. To describe right lines and circles are problems, but not geometrical problems. For it requires that the learner should first be taught to describe these accurately, before he enters upon Geometry then it shows how by these operations problems may be solved. Geometry does not teach us to draw these lines, but requires them to be drawn. He that works with less accuracy, is an imperfect Mechanic, and if any could work with perfect accuracy, he would be the most perfect Mechanic of all.įor the description of right lines and circles, upon which Geometry is founded, belongs to Mechanics. But the errors are not in the art, but in the artificers. But as artificers do not work with perfect accuracy, it comes to pass that Mechanics is so distinguished from Geometry, that what is perfectly accurate is called Geometrical, what is less so is called Mechanical. To practical Mechanics all the manual arts belong, from which Mechanics took its name. ![]() The ancients considered Mechanics in a twofold respect as rational, which proceeds accurately by demonstration, and practical. SINCE the ancients (as we are told by Pappus) made great account of the science of mechanics in the investigation of natural things and the moderns, laying aside substantial forms and occult qualities, have endeavored to subject the phenomena of nature to the laws of mathematics, I have in this treatise cultivated Mathematics so far as it regards Philosophy. ![]()
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