Skills and Basics

Front

What does the speedometer of a car measure?

Back

Instantaneous speed is the speed of an object at a specific moment in time.

Front

What does a straight line on a distance vs. time graph indicate?

Back

A straight line indicates that the object is moving at a constant speed.

Front

Which line segment indicates the fastest part of an object's journey?

Back

The line segment C-D indicates the fastest part of the journey.

Front

What does a flat (horizontal) line on a distance vs. time graph indicate?

Back

A flat line indicates that the object has stopped moving.

Front

What is the term for the change in position of an object?

Back

Motion is the change in position of an object.

Front

What is average speed?

Back

Average speed is the total distance traveled divided by the total time taken.

Front

What is instantaneous speed?

Back

Instantaneous speed is the speed of an object at a particular instant.

Front

What does acceleration refer to?

Back

Acceleration refers to the rate of change of velocity of an object.

Front

What does deceleration mean?

Back

Deceleration is the process of slowing down or decreasing speed.

Front

What is the definition of motion?

Back

Motion is the change in position of an object over time.