Motion Quiz: Quiz For Unit 3 Force And Motion

21 Questions | By Jgessel | Updated: Mar 21, 2022 | Attempts: 773

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Motion Quiz: Quiz For Unit 3 Force And Motion - Quiz

Motion quiz: This is the first quiz for unit 3 Force and Motion, and covers the material in Chapter two of your textbook.

Questions and Answers

1.

Which of the following do you calculate when you divide the total distance traveled by the total travel time?
- A.
  
  Average Speed
- B.
  
  Constant Speed
- C.
  
  Variable Speed
- D.
  
  Instantaneous Speed
2.

Which term below best describes the forces on an object with a a net force of zero?
- A.
  
  Inertia
- B.
  
  Balanced Forces
- C.
  
  Acceleration
- D.
  
  Unbalanced Forces
3.

Which of the following is not used in calculating acceleration?
- A.
  
  Initial Velocity
- B.
  
  Average Speed
- C.
  
  Time Interval
- D.
  
  Final Velocity
4.

In which of het following conditions does the car NOT accelerate?
- A.
  
  A car moves at 80 km/h on a flat, straight highway
- B.
  
  The car slows from 80 km/h to 35 km/h
- C.
  
  The car turns a corner
- D.
  
  The car speeds up from 35 km/h to 80 km/h
5.

What is the tendency for an object to resist any change in its motion?
- A.
  
  Net Force
- B.
  
  Acceleration
- C.
  
  Balanced Force
- D.
  
  Inertia
6.

How can speed be defined?
- A.
  
  Acceleration / Time
- B.
  
  Change in velocity / Time
- C.
  
  Distance / Time
- D.
  
  Displacement / Time
7.

Which of the following represents the greatest speed?
- A.
  
  20 m/s
- B.
  
  200 cm/s
- C.
  
  0.2 km/s
8.

Sound travels at a speed of 330 m/s. How long does it take the sound of thunder to travel 1485 m?
- A.
  
  45 s
- B.
  
  4.5 s
- C.
  
  4,900 s
- D.
  
  0.22 s
9.

Which to the following best describes an object with constant velocity?
- A.
  
  It is changing direction
- B.
  
  Its acceleration is increasing
- C.
  
  Its acceleration is zero
- D.
  
  Its acceleration is negative
10.

The graph below represents the motion of an object. According to the graph, as time increases, the velocity of the object
- A.
  
  Increases
- B.
  
  Decreases
- C.
  
  Remains the same
11.

The displacement-time graph below represents the motion of a cart initially moving forward along a straight line. During which interval is the cart moving forward at constant speed?
- A.
  
  AB
- B.
  
  CD
- C.
  
  BC
- D.
  
  DE
12.

Which graph best represents the motion of an object whose speed is increasing?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
13.

The graph below shows the velocity of a race car moving along a straight line as a function of time. What is the magnitude of the displacement of the car from t = 2.0 seconds to t = 4.0 seconds?
- A.
  
  80. m
- B.
  
  20. m
- C.
  
  60. m
- D.
  
  40. m
14.

The distance-time graph below represents the position of an object moving in a straight line. What is the speed of the object during the time interval t = 2.0 seconds to t = 4.0 seconds?
- A.
  
  10. m/s
- B.
  
  5.0 m/s
- C.
  
  0.0 m/s
- D.
  
  7.5 m/s
15.

Which graph best represents the motion of an object initially at rest and accelerating uniformly?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
16.

The graph below shows the relationship between speed and time for two objects, A and B.Compared with the acceleration of object B, the acceleration of object A is
- A.
  
  Three times as great
- B.
  
  The same
- C.
  
  One-third as great
- D.
  
  Twice as great
17.

Which pair of graphs represents the same motion?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
18.

The graph below represents the relationship between distance and time for an object in motion.During which interval is the speed of the object changing?
- A.
  
  CD
- B.
  
  AB
- C.
  
  BC
- D.
  
  DE
19.

Which graph best represents the relationship between velocity and time for an object which accelerates uniformly for 2 seconds, then moves at a constant velocity for 1 second, and finally decelerates for 3 seconds?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
20.

What is the meaning of the slope on a distance versus time graph?
- A.
  
  Acceleration
- B.
  
  Displacement
- C.
  
  Speed
- D.
  
  Momentum
21.

What does the slope of an object accelerating uniformly (at a constant rate) look like on an acceleration vs. time graph? Hint: Draw these to see what they look like.
- A.
  
  Straight and sloping up to the right
- B.
  
  Straight and sloping down to the right
- C.
  
  Straight and horizontal
- D.
  
  Curved up to the right