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Gravity & Newton

Gravity and Newton's Laws of Motion Terms

TermDefinition
Force A push or pull that causes an object to move, stop, or change direction.
Motion The act of changing location from one place to another
Non-Contact Force A force that one object can apply to another object without touching it
Acceleration A change in an object's speed or direction; can be positive or negative
Friction A force that slows things down; A force that opposes motion between two surfaces that are in contact.
Contact Force A force that is applied only when two objects are touching.
Gravity A force of attraction between two or more objects; A force that pulls objects towards each other. (non-contact force)
Newton's 1st Law- Inertia Objects in motion will stay at motion, while objects at rest will stay at rest until an UNBALANCED force acts on it.
Newton's 2nd Law- Force, Acceleration, and Mass The acceleration of an object depends on the mass of the object and the amount of force applied
Newton's 3rd Law- Action and Reaction Deals with objects in pairs. States that for every action, there is an EQUAL and OPPOSITE reaction.
Balanced Forces When the forces acting on an object are in opposite directions, and are equal in size (Newtons/N), and the object DOES NOT MOVE.
Unbalanced Forces When the forces acting on an object are are not equal in size, and come from the same direction, and causes the OBJECT TO MOVE.
Created by: jessiebeled
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