Analyzing Motion Graphs

This graph shows the motion of an object. Which best describes the motion of the object?

• It is sitting still.

• It is moving at a constant speed.

• It continually increases its speed.

• It travels at constant speed and suddenly stops.

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Joe rolls a ball to Cindy, and Cindy rolls it back to Joe at the same speed.

Which graph shows the motion of the ball as it rolls between them?

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Which graph best illustrates a train sitting at the station waiting to depart?

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Mandy and Josh raced one lap around the track. The graph below shows the results of their race. Which statement can be proven by the graph?

• Josh won the race.

• Mandy won the race.

• Mandy ran less distance than Josh.

• Josh ran the race in less time than Mandy.

Crystal recorded the distance and time she and Lisa drove their race cars. Which best describes the difference in the motion of the two race cars?

• Crystal’s race car is decreasing speed, and Lisa’s race car is

  increasing speed.

• Crystal’s race car is increasing speed, and Lisa’s race car is

  decreasing speed.

• Crystal’s race car has not moved, and Lisa’s race car is moving

  forward.

• Crystal's race care is moving at a constant speed, and Lisa's race car is standing still.

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Carlos and Andrew decided to race each other home from school. The graph below shows the motion of the boys during the race. Which best describes the race?

• Both boys reached the finish line at the same time.

• Andrew won the race because he reached the finish line in a shorter amount of time.

• Carlos won the race because he reached the finish line in a shorter

  amount of time.

• Andrew won the race because he reached the finish line in a longer amount of time.

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The graph below shows the motion of a car over time. Which best describes the motion of the car?

• The car is moving at a constant speed.

• The car is decreasing its speed.

• The car is increasing its speed.

• The car is not moving.

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The graph below shows the motion of two cars. How does the motion of the two cars compare?

• Car 1 is slowing down, and Car 2 is speeding up.

• Car 1 is not moving, and Car 2 is maintaining a constant speed.

• Car 1 is maintaining a constant speed, and Car 2 is speeding up.

• Car 1 is speeding up, and Car 2 is maintaining a constant speed.

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Juan goes for a run. After running for 20 minutes,

he takes a 5­ minute break and then continues running. Which graph best represents this?

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What does the solid line on this graph represent?

• Constant speed

• Acceleration

• At rest

• deceleration

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