Speed, Velocity, and Acceleration - Retest

1. The motion of an object is described as 75 mph to the southwest. What form of motion is being described?

• A. Speed
• B. Velocity
• C. Acceleration
• D. None of the above

2. Which of the following is not an example of acceleration?

• A. A car speeding up to get on the highway
• B. A sprinter slowing down at the end of a race
• C. A student walking at a constant speed to get to class
• D. A airplane making a sharp turn in an air show

3. Which of the following is an example of acceleration?

• A. A car turning a corner to get to the store
• B. A bird slowing down to land on a tree branch
• C. A person starting to run for shelter as it begins to rain
• D. All of the above

4. Which of the following is an example of velocity?

• A. Walking 25 cm/hour
• B. Flying 5 km/s West
• C. Running 7 m/s
• D. Hopping 10 ft/min

5 Which of the following is an example of speed?

• A. 10 m/s2
• B. 15 m/s
• C. 20 m/s North
• D. 25 m

6. In which of the following situations is the object’s velocity changing?

• A. A car turns a corner at a constant speed
• B. A hot air balloon rises at a constant speed
• C. A car sits at a stop sign for 3 seconds
• D. None of the above

7. A student rides the Ferris wheel when visiting an amusement park. During the ride, she moves at a constant speed of 3 m/s. Which of the following statements best describes the motion of the student on the Ferris wheel?

• The velocity is changing because the direction is changing.
• The velocity is not changing because the speed is constant.
• The velocity is increasing because the direction is changing.
• The velocity is decreasing because the speed is constant.

The rate of change of velocity which includes speeding up, slowing down, or changing direction is known as _____________.

The distance an object travels per unit of time is known as _____________.

Speed in a given direction is known as _____________.