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Chapter 12: Universal Gravitation Questions
Chapter 12 Universal Gravitation Questions
7
Physics
11th Grade
12/27/2011

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Term
Perturbation:
Definition
planet deviation from normal orbits, due to gravitational effect of a nearby mass
Term
G, Universal gravitational constant
Definition
6.67 x 10-11
Term
Above Earth’s atmosphere there is/is not Earth gravity
Definition
is, every mass in the universe attracts every other one regardless of whether an atmosphere is present or not
Term
The moon and the planets are/are not beyond the pull of Earth’s gravity
Definition
are not, All objects in the universe attract one another
Term
Equation for: Inverse-square law
Definition
1/d2; where d is the distance from the source
Term
Newton’s Law of Universal Gravitation
Definition
F = G m1 m2/ d2
Term
Name the component of velocity that is parallel to Earth’s surface
Definition
tangential velocity
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