Practice MCQs For Speed, Velocity & Acceleration

This quiz contains practice questions for Speed, Velocity & Acceleration (O Level). There are explanations for some of the questions after you submit the quiz. If you could not figure out why a particular option is the answer, feel free to drop a comment below or ask a question in ‘O’ & ‘A’ Level Discussion section of the forum. If you wish to contribute questions to this quiz, please contact us.

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1. A bicycle was travelling at $20 \, \text{m} \, \text{s}^{-1} $  when it applied its brakes and decelerated at a rate of $5 \, \text{m}/\text{s}^{2}$.

(a) How long will it take before it comes to a stop? (b) How far will it travel before stopping?

4 s, 40 m

5 s, 40 m

5 s, 20 m

4 s, 20 m

2. A vehicle travelling at 40 m/s accelerates uniformly at $5 \,\text{m}/\text{s}^{2}$ for 20 seconds. What is its final speed?

-100 m/s

140 m/s

100 m/s

60 m/s

3. 2 balls are being dropped from different heights. Ball A takes twice the time ball B takes to reach the ground. Which of the following statements is correct?

Distance traveled by Ball A is 4 times that of Ball B.

Distance traveled by Ball A is twice that of Ball B.

Distance traveled by Ball A is equal to that of Ball B.

Distance traveled by Ball A is half that of Ball B.

4. A car accelerates from $3 \, \text{m s}^{-1} $ to $10 \, \text{m s}^{-1} $ in 3 seconds. What is the distance traveled?

19.5 m

12 m

3 m

18 m

5. A car accelerates uniformly from $5 \text{ m s}^{-1}$ to $13 \text{ m s}^{-1}$ in 4.0 seconds. What is the acceleration of the car in $\text{m s}^{-2}$?

0.5

0.8

2.00

1.25

6. A ball, initially at a height h, is thrown downwards with an initial velocity of $10 \, \text{m s}^{-1} $ downwards. The ball takes 3 seconds to reach the ground. What is the final speed of the ball just before it hits the ground? $ \left( g = 10 \, \text{m s}^{-2} \right) $

$20 \, \text{m s}^{-1} $

$40 \, \text{m s}^{-1} $

$50 \, \text{m s}^{-1} $

$30 \, \text{m s}^{-1} $

7. Which of the following statements about this displacement-time graph is correct?

The object travels at constant acceleration.

The object travels at constant speed.

The object travels at constant velocity.

The object is stationary.

8. A ball, located an at initial height h, is thrown downwards. The ball has an initial velocity of $10 \, \text{m s}^{-1} $ downwards and takes three seconds to reach the ground. What is the initial height, h? $ \left( g = 10 \, \text{m s}^{-2} \right)$

65 m

45 m

75 m

55 m

9. A ball is thrown downwards at a velocity of 8 m/s and bounces upwards. Which of the following is its velocity-time graph?

[Assume no air resistance or energy lost and take downwards motion as positive direction]

 

4) None of the above

 

2)

1)

4)

3)

10. The diagram below shows a speed-time graph of a vehicle. Which of the following are the corresponding distance-time and acceleration-time graphs (not drawn to scale)? 

 

1, 4

1, 2

3, 4

3, 2

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