A new manual of the elements of astronomy, descriptive and mathematical .. (1868)
Kiddle, Henry, 1824-1891 · New York, Ivison, Phinney, Blakeman & co.; Chicago, S.C. Griggs & co. · leaf 33
lution in its orbit is sustained by theunited action of two forces; namely, the Centripetal * andthe Centrifugal \ forces. a. Laws of Motion.—No portion of matter can set itself in motion;nor, when in motion, can it stop itself. Whatever sets a body in mo-tion, or stops it when in motion, is called… … * From the Latin words centrum, meaning the centre, and peto, meaningto seek.t From the Latin words centrum, and fugio, meaning to flee from. Questions.—30. What forces sustain the planets in their orbits? a. What is force ?b. What is the effect of a single force ? ORBITAL REVOLUTIONS OF THE…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
