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

The object is stationary.

The object travels at constant acceleration.

The object travels at constant velocity.

The object travels at constant speed.

2. A car travels 9 km southwards, followed by another 5 km southwards. What is the magnitude of its distance and displacement?

Distance: 4 km Displacement: 4 km

Distance: 4 km Displacement: 14 km

Distance: 14 km Displacement: 4 km

Distance: 14 km Displacement: 14 km

3. A train travelling at an average speed of 60 km/hr comes to a complete stop in 20 minutes' time. What is its deceleration?

$180 \, \text{km}/\text{hr}^{2}$

$-180 \, \text{km}/\text{hr}^{2}$

$-3 \, \text{km}/\text{hr}^{2}$

$3 \, \text{km}/\text{hr}^{2}$

4. A car travels 9 km to the west, 5 km to the north, 9 km to the east and 5 km to the south. What is its displacement?

14 km

4 km

0 km

28 km

5. What information would you expect to find from a given velocity-time graph?

The velocity

The velocity and displacement

The velocity and acceleration

The velocity, displacement and acceleration

6. What must change when a body is accelerating?

the velocity of the body

the mass of the body

the force acting on the body

the speed of the body

7. The diagram below shows a speed-time graph of a vehicle. Determine its distance traveled and its acceleration at the 5th, 11th and 19th second.

50, 60 and 80 m 10, 10 and $1.25 \, \text{m}/\text{s}^{2}$

50, 60 and 40 m 2, 10 and $-1.25 \, \text{m}/\text{s}^{2}$

25, 60 and 40 m -2, 0 and $-1.25 \, \text{m}/\text{s}^{2}$

25, 60 and 40 m 2, 0 and $-1.25 \, \text{m}/\text{s}^{2}$

8. A car travelling at 70 km/hr slows down to 50 km/hr in 30 minutes. What is its acceleration?

$40 \, \text{km}/\text{hr}^{2}$

$-40 \, \text{km}/\text{hr}^{2}$

$-10 \, \text{km}/\text{hr}^{2}$

$-40 \, \text{m}/\text{s}^{2}$

9. A car travels 9 km southwards, followed by 5 km northwards. What is the magnitude of its distance and displacement?

Distance: 4 km Displacement: 14 km

Distance: 14 km Displacement: 4 km

Distance: 4 km Displacement: 4 km

Distance: 14 km Displacement: 14 km

10. An object is falling under gravity with terminal velocity.

What is happening to its speed?

It is staying constant.

It is decreasing to zero.

It is increasing.

It is decreasing to a lower value.

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