Much of the Principia consists of synthetical deductions from definitions and axioms. But the discovery of the centripetal force of the planets to the sun is an analytic deduction from the facts of their motion discovered by Kepler to their real ground, and is so stated by Newton in the first regres
By focusing on 'centripetal institutions', which maximize both representation and authority by bringing political energy and actors toward the centre of a polity, the authors set forth a rel..查看文章
But when the body is arrived at B, suppose that a centripetal force acts at once with a great impulse; and, turning aside the body from the right line Bc, compels it afterwards to continue i..查看文章
Where F is the force in Newtons, m is the mass of an object in kilograms, and a c is the centripetal acceleration which can also be described by v 2 /r, the square of the velocity divided by..查看文章
centripetal与发音含义,同义词,反义词,翻译,刑和更多的