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

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

decreasing

2. A ticker tape timer produces 50 dots on a tape in 1 second. Below is a portion of the tape:

 

How long was the time taken to produce the above strip?

1 second

0.02 seconds

0.22 seconds

0.20 seconds

3. 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: 14 km Displacement: 14 km

Distance: 4 km Displacement: 14 km

Distance: 14 km Displacement: 4 km

4. A student drops a table-tennis ball in air.

What happens to the velocity and acceleration of the ball during the first few seconds after release?

	Velocity	Acceleration
A	Decreases	Decreases
B	Decreases	Increases
C	Increases	Decreases
D	Increases	Increases

D

A

C

B

5. 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

6. In the absence of air resistance, what happens to the acceleration of a ball being thrown into the air, as it rises to greater heights?

Decreases

Increases

Remains constant

Zero

7. 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?

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

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

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

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

8. 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 sped up and then slowed down before 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 accelerated and traveled at a higher constant speed before decelerating and coming to a stop eventually.

9. What must change when a body is accelerating?

the force acting on the body

the mass of the body

the velocity of the body

the speed of the body

10. 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?

28 km

14 km

4 km

0 km

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