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 car accelerates from $3 \, \text{m s}^{-1} $ to $9 \, \text{m s}^{-1} $ in 2 seconds. What is its average speed?

$3 \, \text{m s}^{-1} $

$6 \, \text{m s}^{-1} $

$12 \, \text{m s}^{-1} $

$9 \, \text{m s}^{-1} $

2. A car accelerates from $12 \, \text{m s}^{-1} $ to $2 \, \text{m s}^{-1} $ over a period of 5 seconds. What is its acceleration?

$2 \, \text{m s}^{-1} $

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

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

$-2 \, \text{m s}^{-1} $

3. A car accelerates from rest to $10 \, \text{m s}^{-1} $ in 2 seconds. What is the distance traveled by the car?

2 m

5 m

20 m

10 m

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

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

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

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

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

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

The velocity and acceleration

The velocity

The velocity and displacement

The velocity, displacement and acceleration

6. What must change when a body is accelerating?

the velocity of the body

the force acting on the body

the mass of the body

the speed of the body

7. A car travels 9 km southwards, followed by 5 km eastwards. What is its southward displacement?

14 km

5 km

4 km

9 km

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)$

45 m

55 m

75 m

65 m

9. 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: 14 km

Distance: 14 km Displacement: 4 km

Distance: 14 km Displacement: 14 km

Distance: 4 km Displacement: 4 km

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

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

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

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

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