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 ball is thrown vertically upwards off a cliff at a speed of $23 \, \text{m s}^{-1} $. It falls to the bottom of the cliff after 10 seconds. What is the height of the cliff? $ \left( g = 10 \, \text{m s}^{-2} \right) $

137 m

267 m

130 m

199 m

2. 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) $

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

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

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

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

3. A car travels at a constant speed of $5 \, \text{m s}^{-1} $ for 2 seconds, then accelerates at a rate of $4 \, \text{m s}^{-2} $ for 3 seconds. What is the total distance traveled by the car?

43 m

46 m

61 m

28 m

4. The graph below shows the movement of a car over a period of 50 seconds.

What was the distance travelled by the car during the time when it was moving at a steady speed?

10 m

400 m

200 m

100 m

5. A car, with an initial speed of $3 \, \text{m s}^{-1} $ accelerates at a rate of $0 \, \text{m s}^{-2}$ for 10 seconds. What is the speed of the car after the 10 seconds?

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

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

$13 \, \text{m s}^{-1} $

$0 \, \text{m s}^{-1} $

6. 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

18 m

3 m

7. The motion of a toy car is measured by a ticker tape timer as shown in the diagram below. Which of the following statements best describe its motion?

The toy car was first traveling at a constant speed. It then accelerated and traveled at a higher constant speed before stopping eventually.

The toy car was first traveling at a constant speed. It then accelerated and traveled at a higher constant speed before decelerating and coming to a stop eventually.

The car was accelerating at first before slowing down and stopping eventually.

The toy car was first traveling at a constant speed. It then sped up and then slowed down before coming to a stop eventually.

8. A car is brought to rest in 5 seconds from a speed of $10 \text{ ms}^{-1}$. What is the average deceleration of the car?

$15 \text{ ms}^{-2}$

$0.5 \text{ ms}^{-2}$

$50 \text{ ms}^{-2}$

$2 \text{ ms}^{-2}$

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

The object travels at constant velocity.

The object is stationary.

The object travels at constant speed.

The object travels at constant acceleration.

10. A steel ball is released just below the surface of thick oil in a cylinder.

During the first few centimetres of travel, what is the acceleration of the ball?

increasing

constant but less than $10 \text{ ms}^{-2}$

constant and equal to $10 \text{ ms}^{-2}$

decreasing

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