Motion Unit Review

What does the term displacement measure?

• The direction of motion.

• Distance traveled divided by the elapsed time.

• The change of position of an object.

• The speed of an object.

Which runner stopped to rest?

• Albert

• Bob

• Charlie

Which runner won the race?

• Albert
• Bob
• Charlie

What does this graph represent?

• constant speed

• acceleration

• an object at rest

What is the object's motion shown in this graph?

• constant speed

• accelerating

• at rest

What is the object's motion shown in this graph?

• constant speed

• accelerating

• at rest

Which of the following is the best definition of motion?

• An object's change in position relative to a fixed reference point.

• The distance travelled by an object over time.

• Constant speed.

• Acceleration.

Which of the following is a correct definition of velocity?

• A force on an object that opposes motion.

• The uniform circular motion of an object.

• An object's speed in a particular direction.

The total distance divided by total time is _____.

• average speed

• constant speed

• instantaneous speed

• acceleration

This graph shows an object that is _____.

• increasing speed

• maintaining a constant speed

• decreasing speed

• stationary