A short course in astronomy and the use of the globes (1871)
Kiddle, Henry, 1824-1891 · New York, Chicago, Ivison, Blakeman, Taylor & co. · leaf 60
n the same time, ifacted upon by anotherforce; then under the simul-taneous action of both forces, it will pass over the line A D inthe same time, and continue to move in this line until acted uponby some third force. 67. When one of the two forces is a continuous force, 65. Distinguish between… … 58 ORBITAL REVOLUTIONS the body is drawn, at every point, from the straight line,and, consequently, moves in a curve line; and tle^e twoforces may be so related to each other that the body willmove around the centre of the continuous force in a cir-cle or ellipse. In that case, the continuous force…
Astronomy
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