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

Distance: 14 km Displacement: 14 km

Distance: 4 km Displacement: 4 km

Distance: 14 km Displacement: 4 km

Distance: 4 km Displacement: 14 km

2. If the displacement-time graph of a particle's movement is a straight line with gradient m (where m is positive), what can we conclude about its acceleration-time graph?

Straight line with negative gradient

Zero

Constant

Straight line with positive gradient

3. 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?

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

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

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

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

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

10 m

2 m

5 m

20 m

5. A ball is thrown vertically upwards. It lands on the top of a cliff after attaining a maximum height of 100 m in 7 s. What is the height of the cliff if the ball reaches the top of the cliff after 9 s? What is the height of the cliff? $ \left( g = 10 \, \text{m s}^{ - 2} \right)$

90 m

70 m

60 m

80 m

6. 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.

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

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

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

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

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

What is happening to its speed?

It is staying constant.

It is decreasing to a lower value.

It is decreasing to zero.

It is increasing.

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

Distance: 14 km Displacement: 10.3 km

Distance: 4 km Displacement: 14 km

Distance: 14 km Displacement: 14 km

Distance: 14 km Displacement: 4 km

9. 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) $

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

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

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

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

10. A ball is thrown vertically upwards at an initial speed of $23 \, \text{m s}^{-1} $. What is the displacement of the ball 3 seconds after it was thrown?

55 m

24 m

29 m

50 m

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