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# Chapter 5 AP Physics

TermDefinition
Centripetal Forces The force that causes Centripetal Acceleration
Circular Velocity The velocity of an object traveling with circular mention. The direction of this motion is always changing.
Centripetal Acceleration The acceleration experienced by an object traveling in uniform circular motion.
Newton's Universal Law of Gravitation Any two point masses attract each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
Satellite A smaller body which revolves or orbits around a larger one.
Kepler's First Law The path of each planet about the Sun is an ellipse with the Sun at one focus.
Centripetal Velocity The velocity of an object traveling in a circular path directed at a tangent to the circle.
Kepler's Second Law Each planet moves so that an imaginary line drawn from the sun to the planet sweeps out equal areas in equal periods of time.
Kepler's Third Law The ratio of the cube of the mean radius of a planet's orbit to the square of its orbital period is the same for all planets.
Uniform Circular Motion The motion of an object at a constant speed around a circular path.
Created by: Mdkeller
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