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Stack #4721284

QuestionAnswer
force push or pull
Net force sum of all the forces acting on an object
Friction - force that opposes the sliding motion of two surfaces
Gravity- attractive force between any two objects that depends on masses
Field -region of space that has a physical quantity
weight - gravitational force exerted on an object
Newtons first law of motion- states that a constant velocity unless a unbalanced force acts on it
Inertia- tendency of a object to resist any change in its motion
Newtons 2nd law of motion- objects acceleration is in the same direction as the net force on the object is equal to the net force exerted on it divided by its mass
Newtons 3rd law of motion- when one object exerts a force on a second object the 2nd object exerts a force on the first that is equal in strength and opposite in direction
Air resistance friction like air force that opposes the motion of object that move through the air
Terminal velocity - maximum speed an object will reach when falling through air
Free fall gravity is the only force acting on an object
Centripetal force- force exerted toward the center of a curved path
Law of conservation of momentum - if no external forces act on a group of object
Created by: ozzy8
 

 



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