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# Force and Motion

TermDefinition
Position Speed The distance an object moves in a unit of time. Force A push or pull on an object. Newton’s 2nd Law The acceleration of an object decreases as an objects mass increases, and that the accel The location of an object. Its distance and direction from a reference point.
Reference Point Is a starting point used to locate another place or thing.
Motion When there is a change in position of an object with respect of a reference point.
Displacement The difference between a starting position and the final position.
Direction Is the line, or path along which something is moving, pointing, or aiming.
Distance-Time Graph Used to represent the speed of an object.
Average Speed "The result of the total distance divided by the by the total time taken."
Newton’s 1st Law of Motion If the forces acting on an object are balanced, the motion of the object does not change.
Newton’s 3rd Law of Motion "When one object exerts a force on a second, the second one exerts a force on the first that is equal in magnitude and opposite in direction."(It is often called the Law of Action and Reaction)
Balanced Force Something that will cause no change in the speed of an object.
Unbalanced Force Not equal and they also cause the motion of an object to change the speed or direction that is moving.
Friction A contact force that opposes the motion of two surfaces that are touching.
Gravity A noncontact force that every object exerts on every other object because of its mass.
Mass The amount of matter in an object.
Created by: conroeisd