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PHYSICES 11 2010 QB CHAPTER 01 Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. Sarah jogs 2.5 km [W] and stops to rest. She then jogs 1.0 km [W] and stops at a neighbourhood park. What is Sarah’s total displacement? a. 1.5 km [W] b. 2.5 km [W] c. 2.5 km [E] d. 3.5 km [W] ____ 2. Which statement is true about the type of motion represented by this position-time graph? a. The object is moving westward at a constant velocity. b. The object is moving eastward at a constant velocity. c. The object is stationary at a location to the west of the reference position. d. The object is stationary at a location to the east of the reference position. ____ 3. A horse leaves the stable and trots 350 m due west to the end of a field. The horse then trots 210 m due east back toward the stable. What is the total displacement of the horse? a. 550 m [E] b. 550 m [W] c. 150 m [E] d. 140 m [W] ____ 4. Bryce leaves his home and walks 600 m due west to the library. He then walks 200 m due east and stops at the pharmacy. Which equation represents Bryce’s total displacement? a. 600 m [W] + 200 m [E] = 800 m [W] b. 600 m [W] - 200 m [W] = 400 m [W] c. 600 m [E] + 200 m [E] = 800 m [E] d. 600 m [W] - 200 m [E] = 400 m [E] ____ 5. Which term describes the distance and direction of an object from a reference point? a. acceleration b. motion c. velocity d. position ____ 6. Which of the following is an example of a vector quantity? a. time b. mass c. position d. distance ____ 7. Which position-time graph represents an object that is moving westward at a constant velocity? a. b. c. d. ____ 8. You dog runs in a straight line at a constant speed of 1.2 m/s. How far will the dog run in 30.0 s? a. 45 m b. 36 m c. 25 m d. 72 m ____ 9. Which statement is true about the type of motion represented by this position-time graph? a. The object is moving westward at a constant velocity. b. The object is stationary at a location to the west of the reference position. c. The object is stationary at a location to the east of the reference position. d. The object is moving eastward at a constant velocity. ____ 10. Which position-time graph represents a stationary object at a location to the west of the reference position? a. b. c. d. ____ 11. What is the average velocity of a baseball that is hit and travels 19.2 m in 14.5 s? a. 0.76 m/s b. 19.2 m/s c. 278.4 m/s d. 1.32 m/s

a. The velocity of the object is decreasing as it moves in an eastward direction. b. The velocity of the object is increasing as it moves in an eastward direction. c. The object is moving in an eastward direction at a constant velocity. d. The velocity of the object is increasing as it move in a westward direction. ____ 13. A horse is galloping at an average velocity of 5.2 m/s [W]. What is the change in position of the horse after 22 s? a. m [W] b. m [W] c. m [W] d. m [W] ____ 14. What is the velocity of the rolling ball shown in this position-time graph? a. 3 m/s b. 5 m/s c. 8 m/s d. 2 m/s ____ 15. Which term describes the total length of the path travelled by an object in motion? a. distance b. direction c. acceleration d. velocity ____ 16. Which statement is true about the type of motion represented by this position-time graph? 12 a. The velocity of the object is decreasing as it moves in an eastward direction. b. The velocity of the object is increasing as it moves in an eastward direction. c. The object is moving in an eastward direction at a constant velocity. d. The velocity of the object is increasing as it moves in a westward direction. ____ 17. Which term describes the line an object moves along from a particular starting point? a. distance b. direction c. acceleration d. velocity ____ 18. Which of the following is an example of a vector quantity? a. mass b. time c. acceleration d. density ____ 19. Which position-time graph represents an object with an increasing velocity moving in a westward direction? a. b. c. d. ____ 20. Which term describes a quantity that has only magnitude? a. vector b. slope c. velocity d. scalar ____ 21. A car is passing another car on the highway. It increases its velocity from 12 m/s [E] to 21 m/s [E] over a time interval of 10 s. What is the car’s average acceleration? a. 0.6 m/s 2 b. 0.9 m/s 2 c. 1.9 m/s 2 d. 0.3 m/s 2

____ 22. What is the average acceleration for the skateboard shown on this velocity-time graph for the period of 0 s to 5 s? a. 15 m/s 2 b. 5 m/s 2 c. 3 m/s 2 d. 45 m/s 2 ____ 23. Which of the following is an example of a scalar quantity? a. displacement b. position c. average velocity d. distance ____ 24. Which position-time graph represents an object with a decreasing velocity moving in a westward direction? a. b. c. d. ____ 25. An ATV has an average acceleration of 1.9 m/s 2 . If the vehicle accelerates for 5.8 s and has an initial velocity of 15 m/s [E], what is the final velocity of the ATV? a. 26 m/s [E] b. 21 m/s [E] c. 11 m/s [E] d. 17 m/s [E] ____ 26. You want to determine how long it takes a car to accelerate from 10 m/s [W] to 12.9 m/s [W] if it experiences an average acceleration of 2.1 m/s 2 . Which expression would you solve to find this measure of time? a. (12.9 + 10) 2.1 b. (12.9 - 10) 2.1 c. (12.9 - 10) 2.1 d. (12.9 10) 2.1 ____ 27. Which equation would you use to determine the displacement of an object that is undergoing uniform acceleration, when given the initial velocity, final velocity, and the time interval? a. b. c. d. ____ 28. What is the displacement represented by this graph over the time interval from 0 s to 5 s? a. 50 m [E] b. 100 m [E] c. 100 m [W] d. 50 m [W] ____ 29. Which term describes a change in an object’s location as measured by a particular observer? a. scalar b. velocity c. acceleration d. motion ____ 30. Which of the following is an example of a scalar quantity? a. momentum b. force c. displacement d. speed ____ 31. Which term describes a quantity that has magnitude and direction? a. slope b. vector c. scalar d. velocity ____ 32. Which of the following is an example of uniform velocity? a. A car travels down a straight highway at a steady 95 km/h. b. A horse trots around a circular track at a constant speed. c. A truck travels a twisty highway ranging from 40 km/h to 70 km/h. d. A skydiver jumps out of an airplane and falls to the ground with increasing speed.

____ 33. How do you determine position from a position–time graph? a. Take the slope. b. Find the area. c. Read information from the graph. d. none of the above ____ 34. How do you determine velocity from a position–time graph? a. Find the area. b. Read information from the graph. c. Take the slope. d. none of the above ____ 35. Which of the following is an example of non-uniform velocity? a. An airplane flies in a straight path across the sky at a steady speed of 500 km/h. b. A passenger on a merry-go-round travels in a circle at a speed of 0.9 m/s. c. A cheetah runs in a straight path at a constant rate of speed. d. A speed boat travels straight down a river at a steady 70 km/h. ____ 37. How do you determine acceleration from an acceleration–time graph? a. Take the slope. b. Find the area. c. Read information from the graph. d. none of the above ____ 38. Which equation would you use to determine distance travelled if acceleration is uniform and you have been given initial velocity, final velocity, and acceleration? a. b. c. d. ____ 39. Which acceleration-time graph represents the same motion as this position-time graph? ____ 36. How do you determine velocity from a velocity–time graph? a. Read information from the graph. b. Find the area. c. Take the slope. d. none of the above a. b. c. d. ____ 40. A picture frame is knocked off a wall and accelerates uniformly to the floor. If the picture was hung 2.5 m above the floor and there is no air resistance, which equation would you use to determine how long it takes the picture frame to reach the floor? a. b. c. d.

____ 41. How do you determine acceleration from a velocity–time graph? a. Take the slope. b. Read information from the graph. c. Find the area. d. none of the above ____ 42. Which equation would you use to solve a problem for final velocity that does not directly involve displacement? a. b. c. d. ____ 43. How do you determine velocity from an acceleration–time graph? a. Take the slope. b. Read information from the graph. c. Find the area under the graph. d. none of the above ____ 44. Which equation would you use to determine the displacement of an object moving with uniform acceleration given a value for acceleration? a. b. c. d. ____ 45. Which statement is true regarding acceleration due to gravity? a. The acceleration due to gravity is consistent anywhere on Earth. b. The value for acceleration due to gravity is always 9.8 m/s 2 . c. Free fall does not exist in real-life situations. d. all of the above Modified True/False Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true. ____ 1. The study of motion is called velocity . ____________________ ____ 2. Motion is a change in an object’s location as measured by a particular observer. ____________________ ____ 3. Displacement means the total length of the path travelled by an object in motion. ____________________ ____ 4. Acceleration is the line an object moves along from a particular starting point. ____________________ ____ 5. Scalar refers to a quantity that has both magnitude and direction. ____________________ ____ 6. A vector quantity is a quantity that has magnitude only. ____________________ ____ 7. Distance is an example of a scalar quantity. ____________________ ____ 8. Position refers to the distance and direction of an object from a reference point. ____________________ ____ 9. Velocity is the change in position of an object. ____________________ ____ 10. A position-time graph shows the vectors associated with a displacement drawn to a particular scale. ____________________ ____ 11. A vector can be represented by a straight line between two points with a specific direction, also know as a directed line segment . ____________________ ____ 12. The average velocity of a moving object is the total distance travelled divided by the total time elapsed. ____________________ ____ 13. The average speed of an object in motion is its total change in position divided by the total time for that position change. ____________________ ____ 14. In a position-time graph, position is shown on the vertical axis. ____________________ ____ 15. The slope of a line describes its length . ____________________ ____ 16. Speed is an example of a vector quantity. ____________________ ____ 17. Rise refers to the horizontal change between two points on a line. ____________________ ____ 18. Run refers to the horizontal change between two points on a line. ____________________ ____ 19. Acceleration is the rate of change of velocity. ____________________ ____ 20. Motion with non-uniform velocity is motion at a constant speed in a straight line. ____________________

____ 21. Position is an example of a scalar quantity. ____________________ ____ 22. Accelerated motion is motion in which the object’s speed changes or the object does not travel in a straight line. ____________________ ____ 23. In a velocity-time graph, velocity is shown on the horizontal axis. ____________________ ____ 24. In motion with uniform acceleration , the velocity of an object changes at a constant rate. ____________________ ____ 25. Average velocity is the velocity of an object at a specific instant in time. ____________________ ____ 26. An acceleration-time graph is a graph describing motion of an object, with acceleration on the vertical axis and time on the horizontal axis. ____________________ ____ 27. Acceleration due to velocity is the acceleration that occurs when an object is allowed to fall freely. ____________________ ____ 28. Terminal velocity is the acceleration due to gravity of an object in the absence of air resistance. ____________________ ____ 29. Instantaneous velocity is the velocity of an object when the force due to air resistance equals the force due to gravity on the object. ____________________ ____ 30. Displacement is an example of a vector quantity. ____________________ Completion Complete each statement. 1. ____________________ is the term used to describe the study of how objects move. 2. ____________________ is a change in the location of an object, as measured by an observer. 3. A(n) ____________________ quantity is a quantity that has magnitude only. 4. A(n) ____________________ is a quantity that has magnitude and direction. 5. ____________________ means the total length of the path travelled by an object in motion. 6. ____________________ is the line an object moves along from a particular starting point. 7. The distance and direction of an object from a reference point is called ____________________. 8. ____________________ is the change in position of an object. 9. A straight line between two points with a specific direction is called a(n) ____________________. 10. The ____________________ of a moving object is the total distance travelled divided by the total time elapsed. 11. The ____________________ of an object in motion is its total displacement divided by the total time taken for the motion. 12. The ____________________ of a line is a measure of its steepness. 13. ____________________ refers to the vertical change between two points on a line. 14. ____________________ refers to the horizontal change between two points on a line. 15. ____________________ describes how quickly an object’s velocity changes over time.

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