Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 44
Fig. 18. UNIFORM CIRCULAR MOTION. 33 as the other, then, the speed being the same on both circles,in the same time the particle would describe equal arcs, ABand AB (Fig. 19), but the change of direction, a, in goingfrom A to B would be Atwice that in going fromA to B, or 2a. But theforce is… … Fig. 19. Foe -r 6°o The force varies as the square of the speed; .for sup-pose in one case the speed to be a and in another case 2cr,then, if in the first case the particle moved from A to B(Fig. 20), in the second case it would go twice as far, AB, in the same time, or thechange of direction in…
Physics
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