Motion Unit Review

Which of the following is an example of negative acceleration?

• An airplane breaking as it touches down on the runway

• A car turning around

• Both are examples of negative acceleartion

The graph below shows the motion of a car from 0-10 seconds. What is the car's acceleration?

• 0.25 m/s/s

• 25 m/s/s

• 5 m/s/s

Tags

NGSS.HS-PS2-1

Using the speed vs time graph below, what point(s) is the object negatively accelerating?

• O-A only

• B-C

• E-F

Tags

NGSS.MS-PS3-1

A boat leaves the dock and travels west reaching a velocity of 6 m/s after 3 seconds. What is its acceleration?

• 0.5 m/s/s

• 2 m/s/s

• 6 m/s/s

Tags

NGSS.HS-PS2-1

Using the table below, calculate the average acceleration of the object in motion.

• 16 m/s/s

• 2 m/s/s

• 4 m/s/s

Tags

NGSS.MS-PS3-1

Lynn and Timmy took a motorcycle ride through the country. Below is a distance vs time graph that depicts their travel. What is mostly likely taking place form point B to point C?

• Lynn and Timmy increased their speed

• Lynn and Timmy stopped for lunch

• Lynn and Timmy returned home

Tags

NGSS.3-PS2-2

NGSS.4-PS3-1

Use the speed vs time graph below to answer this question, what is happening from point A-B and points E-F?

• Positive acceleration

• Negative acceleratoin

• The object is at constant speed

Tags

NGSS.HS-PS2-1

Olympic champion, Usain Bolt can run the 100 meter dash in only 9.27 seconds. Which of the following BEST describes this runner?

• The force he applies as he runs is 10 m/s

• His speed is 10 m/s

• His velocity is 10 m/s

Tags

NGSS.MS-PS3-1

Using Lynn and Timmy's distance vs time graph again, calculate the velocity of Lynn and Timmy at point B.

• 3 km/h through the country

• 10 km/h through the country

• 90 km/h through the country.

Tags

NGSS.MS-PS3-1

Using the speed vs time graph below, what point(s) is the object positively accelerating?

• O-A only

• B-C

• O-A and D-E

Tags

NGSS.MS-PS3-1