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Understanding Motion in Physics Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. An object is said to be accelerating if ...

Question 2 2. A truck is moving at 5 m/s north and 3 m/s west, while a person INSIDE the truck runs in a particular direction at a particular speed. The total velocity of the person (the combination of the velocity of the truck and the velocity of the person) is 6 m/s north and 1 m/s west. How fast must the person be moving inside the truck?

Question 3 3. Which of the following is an example of a vector?

Question 4 4. Which of the displacements is two-dimensional?

Question 5 5. A fighter jet accelerates at an average rate of 10.43 m/s2 and takes 6.9 sec to take off. If the jet takes off after 250 m, what was its final takeoff velocity?

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Question 6 6. Which term refers to a data reading that is taken at a particular moment in time?

Question 7 7. The horizontal velocity of a projectile

Question 8 8. A ball on a string in uniform circular motion has a velocity of 8 meters per second, a mass of 2 kilograms, and the radius of the circle is 0.5 meters. What is the centripetal force keeping the ball in the circle?

Question 9 9. Average Velocity

Question 10 10. A ball traveling at 3 m/s East hits a wall and bounces off heading West traveling at 2 m/s . If the change in direction took 0.4 second, what is the average acceleration of the ball?

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Question 11 11. A school bus is traveling down a two lane road for 10 meters in 0.45 seconds. What is the bus's instantaneous speed in this moment?

Question 12 12. Which best describes friction?

Question 13 13. Which of the following does NOT affect the amount of momentum something has?

Question 14 14. Which of the following is a correct example of geometric vector addition? (NOTE: In these diagrams, the BLACK arrow is the total, and the blue and red arrows are the vectors we should be adding together.)

Question 15 15. If you are falling, which scenario will cause the greatest change in momentum when you land?

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Question 16 16. Which one is an example of acceleration?

Question 17 17. What is motion?

Question 18 18. Which of the following is NOT an example of vector multiplication? (In other words, which calculation does not have a vector for an answer?)

Question 19 19. An object's resistance to change in motion is referred to as ...

Question 20 20. Two people, A and B are pulling a flag in a 2D tug of war. Person A is applying a force 25 newtons west, and 50 newtons north. The total force is 70 newtons west, and 10 newtons south. What force must person B be applying?

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Question 21 21. Which of the following is the definition of a vector?

Question 22 22. The data below gives the velocities and partial acceleration of a 6 kg mass. What is the acceleration of the object in the y-direction?

Question 23 23.

A marathon runner runs with an average velocity of 5.5 m/s. How long in seconds does it take for the runner to travel 158 m?

(Round to the nearest second.)

Question 24 24. Solve: A car is going north and travels 60 miles in 50 minutes. What is the instantaneous velocity (assuming the car is traveling the same speed the entire time) in miles per hour halfway through the trip?

Question 25 25. Projectiles follow a ________ path.

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Question 26 26. What is the name of the force that keeps an object in circular motion?

Question 27 27. Calculate the average speed for the course, if you walked the black line in 1.7 hours.

Question 28 28. Acceleration is

Question 29 29. A photo camera captures a race car driving over 10 meters in 0.1 seconds. What is the driver's instantaneous speed in this time frame?

Question 30 30. Static friction occurs when objects are _____ while sliding friction occurs when objects are _____.

Understanding Motion in Physics Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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