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100
This takes place when an object changes speed, direction, or both.
Acceleration
100
A visual plotting of the relationship between two or more quantities with reference to an x and y axis.
Graph
100
The horizontal axis of a two-dimensional coordinate system such as a graph.
X-axis
100
Any push, lift or pull that will cause a mass to accelerate or change its motion
Force
100
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200
Forces on a body that are equal in size and opposite in direction and do not change the motion of the body.
Balanced Forces
200
When an object keeps moving or stays still unless a force acts on it.
Inertia
200
An imagined sequence of events, especially any of several detailed plans and possibilities.
Scenario
200
Force that stops or slows down moving things that touch each other.
Friction
200
Vertical axis in a two-dimensional coordinate system such as a graph.
Y-axis
300
A quantitative change, especially a small or increasing one. Its symbol is a small triangle.
Delta
300
How much matter an object has.
Mass
300
A thing that is done. It is the force applied to a body or object.
Action
300
Force that pulls all matter toward the center of the Earth.
Gravity
300
Equal and opposite force that is produced when any force is applied to a body.
Reaction
400
Distance divided by time. Its the final speed of an object in a certain direction.
Final Velocity
400
Distance traveled per unit of time.
Speed
400
Rate of decreased velocity or speed
deceleration
400
Starting point of a movement or fall.
Initial Velocity
400
Conditions that are changed in order to find out the effect of that change.
Variables
500
This travels in waves. It is the number of wavelengths that pass a given point in one second.
Frequency
500
This happens when the net force on an object does not equal zero. The object changes motion as a result.
Unbalanced Forces
500
Course or line along which a person or thing moves, points, or lies.
Direction
500
When something moves from place to place.
Motion
500
An object's speed and direction at a given instant.
Velocity
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