Motion Vocabulary
Misc.
Speed and Velocity
Acceleration
Graphing
100
The ratio of the distance an object moves to the amount of time needed to travel the distance.
What is speed?
100

TRUE or FALSE. Frame of reference refers to something that is not moving with respect to an observer that can be used to detect motion.

TRUE

100

Speed depends on direction. TRUE or FALSE.

FALSE

100

Can you have a negative slope/acceleration?

Yes

100

What is slope?

Steepness of a line on a graph

200
The speed at which an object is traveling and the direction it is traveling.
What is velocity?
200

What is the only difference between speed and velocity?

Velocity has direction

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

What is the slop of a position vs. time graph?

Velocity

300
The rate at which an object is moving at a given time.
What is instantaneous speed?
300

In physics, ___________ is defined as a change in position over time.

Motion

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

What is the slope of a velocity vs. time graph?

Acceleration

400

What word refers to something that is not moving with respect to an observer that can be used to detect motion?

Frame of Reference

400

What is something that shows both size and direction and is represented by an arrow?

A vector

400
A train's average speed if it travels 190 kilometers in 3 hours, and then 120 kilometers in 2 hours.
What is 62 kilometers per hour?
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

Positive acceleration would be shown how on a graph? How about negative acceleration?

Positive-upward slope

Negative-downward slope

500
The rate at which velocity changes.
What is acceleration?
500

A train moves from rest to a speed of 25 m/s in 30.0 seconds. What is its acceleration?

0.833 m/s^2

500
A jogger's average speed if she jogs 4 kilometers in 32 minutes, then 2 kilometers in 22 minutes, and finally 1 kilometer in 16 minutes.
What is 0.1 kilometers per minute?
500
The acceleration of a race car that goes from a pace car speed of 400000 kilometers per second to full speed of 900000 kilometers per second in 10 seconds.
What is 50000 kilometers per second squared?
500

A horizontal line on either graph we talked about has a slope of what?

0

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