2b Force and Motion II

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Question 1 of 10

1. Question
1 point(s)
The ticker-tape in Figure above was produced by a toy car moving down a tilted runway. If the ticker-tape timer produced 50 dots per second, find the acceleration of the toy car.
- -1.25 ms⁻²
- -10.42 ms⁻²
- -1.04 ms⁻²
- -12.50 ms⁻²
Correct

Incorrect
Question 2 of 10

2. Question
1 point(s)
A trolley is pushed up a slope. The diagram above shows a ticker-tape chart that shows the movement of the trolley. Every section of the tape contains 5 ticks. If the ticker-tape timer produced 50 dots per second, determine the acceleration of the trolley.
- -80 cms⁻²
- 80 cms⁻²
- -100 cms⁻²
- 100 cms⁻²
Correct

Incorrect
Question 3 of 10

3. Question
1 point(s)
The graph below shows how the displacement of a car changes with time. Which of the following is TRUE about the motion of the car?
- I. The speed of the car is decreasing.
- II. The velocity of the car is decreasing.
- III. The acceleration of the car is zero.
- IV. The car is moving in negative direction.
- V. The displacement of the car is changing at a constant rate.
Correct

Incorrect
Question 4 of 10

4. Question
1 point(s)
The graph below shows how the displacement of an object changes with time. Which of the following is NOT TRUE about the motion of the object?
- I. The object is moving in the negative direction.
- II. The speed of the object is constant.
- III. The velocity of the object is negative and constant.
- IV. The object is moving with uniform acceleration.
Correct

Incorrect
Question 5 of 10

5. Question
1 point(s)
The diagram shows how the displacement of a car varies with its time of travelling. What is the velocity of the car?
- 2.5 ms⁻¹
- 2.0 ms⁻¹
- 2.1 ms⁻¹
Correct

Incorrect
Question 6 of 10

6. Question
1 point(s)
The diagram shows the graph of the movement of an object. Find the average velocity of the object in the first 25 seconds.
- 3.0 ms⁻¹
- 2.0 ms⁻¹
- 2.5 ms⁻¹
- 3.5 ms⁻¹
Correct

Incorrect
Question 7 of 10

7. Question
1 point(s)
The graph shows how the velocity of an object changes with time. The object is
- moving with constant velocity
- moving with uniform acceleration
- moving with increasing velocity
- moving with decreasing acceleration
Correct

Incorrect
Question 8 of 10

8. Question
1 point(s)
The graph below shows how the velocity of a car changes with time. Find the distance travelled by the car in 25 seconds.
- 875 m
- 500 m
- 1125 m
- 375 m
Correct

Incorrect
Question 9 of 10

9. Question
1 point(s)
The graph above shows how the velocity of an object changes with time. What is the acceleration of the object in the first 15s?
- 2 ms⁻²
- -2 ms⁻²
- 3 ms⁻²
- -3 m⁻²
Correct

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Question 10 of 10

10. Question
1 point(s)
The diagram on the right shows the velocity-time graph of a racing car. Among the acceleration-time graph below, which one shows the same motion of the car?
Correct

Incorrect