15 Questions - Position and Motion

Front

You should NOT use a moving object as a reference point.

Back

True

Front

A starting point used to describe the position of an object is called a _____.

Back

reference point

Front

_________________ is an object's distance and direction from a reference point.

Back

position

Front

What does a complete description of your position include?

Back

A distance, a direction, and a reference point.

Front

In order to determine an object’s location, you need a _____.

Back

reference point

Front

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

Back

displacement

Front

What is the difference between distance and displacement?

Back

Distance is the total path length traveled, while displacement is the shortest path from the initial to the final position.

Front

What is a scalar quantity? Give an example.

Back

A scalar quantity has only magnitude. Example: distance.

Front

What is a vector quantity? Give an example.

Back

A vector quantity has both magnitude and direction. Example: velocity.

Front

How do you calculate average speed?

Back

Average speed = total distance / total time.