# Shared Flashcard Set

## Details

Gravitation
N/A
8
Physics
03/05/2009

Term
 7.1 Kelper's First Law
Definition
 Kelper's first law states that the paths of the planets are ellipses, with the sun at one focus
Term
 7.1 Kelper's Second Law
Definition
 Kelper's second law states that an imaginary line from the sun to a planet sweeps out equal areas in equal time intervals
Term
 7.1 Kelper's Third Law
Definition
 Kelper's third law states that the square of the ratio of the periods of any two planets revolving about the sun is equal to the cube of the ratio of their average distances from the sun.
Term
 7.1 Gravitational Force
Definition
 The force of attraction between two objects must be proportional to the objects' masses, and is known as the gravitational force
Term
 7.1 Law of Universal Gravitation
Definition
 Newton's law of gravitation states that objects attract other objects with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between them
Term
 7.2 Gravitational feild
Definition
 Any object with a mass is surrounded by a gravitational filed in which another object expierences a force due to the interaction between its mass and the gravitaional filed g, at its location.ex: g=Gm/r2
Term
 7.2 Inertial Mass
Definition
 Mass is equal to the ratio of the net force exerted on an object to its acceleration.ex: minertial = Fnet /a
Term
 7.2 Gravitational Mass
Definition
 Mass as used in the law of universal gravitation determins the size of the gravitational force between two objects.
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