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Gravity&Circular Mo.

Vocabulary

TermDefinition
Gravity attractive field force between objects with mass
Universal Gravitation Newton's Law that every object attracts every other object in the universe with a force determined by their masses and their distance
Newton's 3rd Law of Motion forces between two objects are equal in magnitude but opposite in direction
Gravitational Constant (G = 6.67x10^-11) relates the weak force of gravitational attraction between 2 bodies
Mass total matter (stuff) within an object
Radius distance from an object's center
Direct relationship when one variable changes in the same way that another one does, such as gravity and mass
Inverse Squared relationship when one variable changes in the opposite way of another, such as gravity and distance
Centripetal Force unbalanced "center-seeking" net force acting on an object to keep it moving in a circular path
Centripetal Acceleration "center-seeking" acceleration of an object moving along a circular path
Tangential Velocity linear speed of any object moving along a circular path that is perpendicular to the centripetal force and acceleration
Path of Motion either linear (straight) or circular
Weight force pulling down on an object's mass due to gravity (a.k.a. gravitational force)
Normal Force contact force that is perpendicular to the surface supporting an object
Tension Force pulling force transmitted by a string, cable, chain, rope, etc.
Friction Force resistance force parallel to a surface and acts opposite of the direction an object is moving
Rule of 1's helps determine how much a variable changes when you change any other variable(s) by a certain factor
Period time to travel in one complete circle
Magnitude size or amount (number)
Created by: john_bailey720
Popular Physics sets

 

 



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