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# N1st law and motion

Distance How far you have traveled between two positions . it is a scalar quanity
Displacement change in position it is the straight line distance between your starting position and ending position . it is equal to final minus initial position it can be positive or negative it is a vector quantity
scalar quantity that only requires magnitude (how big)
vector quantity that requires both magnitude (how big) and directions
speed how fast something is moving
velocity rate at which position changes. it is equal to displacement divided by time
newtons's first law AKa the law of inertia
mass a measure of the amount of matter an object contains
inertia the resistance an object has to change in its motion
force any push or pull (interraction) that can cause a change in motion
net force the combination of all of the forces on an object
balanced when the net force in both the horizontal and verticle directions is 0 n. these cause motion to remain unchanged
unbalanced force when the net force in both the horizontal and vertical directions is not 0 N.
gravitaional force a non-contact force between two objects that is most apparent close to a large object such as a planet , the direction of the force is general towards the center of the other object
Created by: latrell_25