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Motion Vocabulary
Variables and Equations
Speed and Velocity
Acceleration
Interpreting Graphs
100
When an object moves from one place to another, it changes this.
What is position?
100
The two pieces of information you need to know in order to calculate speed.
What is distance and time?
100
This is calculated by dividing the distance traveled by the amount of time.
What is speed?
100
Acceleration is described as changes in ________, changes in ___________, or both.
What are speed and direction?
100
Motion of a car if the line on the distance-time graph is horizontal.
What is not moving?
200
The speed in a specific direction
What is velocity?
200
40 km/hr2 is an example
What is acceleration?
200
The speed of a train car if its distance-time graph indicates that it traveled 200 meters in 25 seconds.
What is 8 meters per second?
200
The acceleration of a bus moving at a constant speed of 50 miles per hour.
What is zero?
200
Motion of a object if the line on the distance-time graph is a straight line going downwards.
What is moving backwards at a constant speed?
300
How speed is affected when a cyclist pedals harder on his bike.
What is speed increases?
300
50 m/s is an example
What is a speed?
300
The faster runner if Bo runs 4 miles in 1 hour, and Mo runs 2 miles in 20 minutes.
Who is Mo?
300
The formula for calculating acceleration.
What is the change in velocity divided by the total time?
300
Motion of a plane if the line on a speed-time graph is a straight line slanted downwards.
What is slowing down (decreasing speed)?
400
The force the keeps an object moving in a circle
What is centripetal force?
400
A plane flying 85 mph North is an example.
What is velocity?
400
How the slope on a distance-time graph looks for an object moving at a very high speed.
What is steep and going upwards?
400
The acceleration of a car traveling at 10 meters per second that takes 20 seconds to stop.
What is 0.5 meters per second squared?
400
What the slope on a distance-time graph represents.
What is speed?
500
The rate at which velocity changes.
What is acceleration?
500
The three piece of information you need to know in order to calculate acceleration
What is velocity start (initial), velocity final, and time?
500
The acceleration of a graph with a line slanted down from left to right.
What is negative acceleration (deceleration)?
500
The acceleration of a race car that goes from a pace car speed of 40 meters per second to full speed of 90 meters per second in 10 seconds.
What is 5 meters per second squared?
500
The motion of an object whose line on a distance time graph is curved upwards.
What is speeding up?