Gravitation
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4 Terms
Universal Law of gravitation
-every object in the universe exerts an attraction force on other objects in the universe
-the magnitude of this attraction depends on the mass of the objects and the distance between the objects
G
is the universal gravitational constant
6.67×10^-11 Nm²/kg²
A planet has two identical moons with identical mass. Moon 1 is in a circular orbit of radius r. Moon 2 is in a circular orbit of radius 2r. The magnitude of the gravitational force exerted by the planet on Moon 2 is…
¼ as large as the gravitational force exerted by the planet on moon 1
The normal force on the brick as it is swung has minimum magnitude at position
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