Equations Of Motion Quiz

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  • 1/12 Questions
    The graph shows the progress of an athlete in a 100m race.What time was taken to travel 10m from the start? - ProProfs

    The graph shows the progress of an athlete in a 100m race.What time was taken to travel 10m from the start?

    • 2.4 s
    • 2.8 s
    • 65 s
    • 70 s
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About This Quiz

Motion is the change in position or orientation of a body with time. This quiz contains various equation-based questions that will help you practice more questions regarding the topic. The quiz is designed so that you can utilize it for your upcoming exam preparation. It contains questions ranging from easy, medium to hard levels. Share the quiz with your friends and family if you find it informative and helpful. All the best!

Equations Of Motion Quiz - Quiz

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  • 2. 
    An object moves initially with constant speed and then with constant acceleration. Which graph shows this motion? - ProProfs

    An object moves initially with constant speed and then with constant acceleration. Which graph shows this motion?

    • A

    • B

    • C

    • D

    Correct Answer
    A. B
    Explanation
    Graph B shows the motion of an object that initially moves with constant speed and then with constant acceleration. In this graph, the object starts with a straight line representing constant speed, and then there is a sudden change in slope, indicating the object's acceleration. This change in slope represents the object's increasing velocity over time due to the constant acceleration. Therefore, graph B is the correct representation of the given motion.

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  • 3. 

    The circuit of a motor racing track is 3 km in length. In a race, a car goes 25 times round the circuit in 30 minutes. What is the average speed of the car?

    • 75 km/h

    • 90 km/h

    • 150 km/h

    • 750 km/h

    Correct Answer
    A. 150 km/h
    Explanation
    In order to find the average speed of the car, we need to divide the total distance traveled by the car by the total time taken. The car goes 25 times round the 3 km circuit, which gives us a total distance of 75 km. The race lasts for 30 minutes, which is equal to 0.5 hours. Dividing the total distance of 75 km by the total time of 0.5 hours gives us an average speed of 150 km/h.

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  • 4. 

    Which type of graph represents the relationship between velocity and time for an object moving with constant acceleration?

    • A horizontal line

    • A vertical line

    • A straight line with a positive slope

    • A parabolic curve

    Correct Answer
    A. A straight line with a positive slope
    Explanation
    For an object moving with constant acceleration, the velocity-time graph is a straight line with a positive slope. This indicates that the velocity of the object increases linearly over time. The slope of this line represents the acceleration.

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  • 5. 
    The speed-time graph shown is for a bus travelling between stops. Where on the graph is the acceleration of the bus the greatest?   - ProProfs

    The speed-time graph shown is for a bus travelling between stops. Where on the graph is the acceleration of the bus the greatest?  

    • A

    • B

    • C

    • D

    Correct Answer
    A. B
    Explanation
    The acceleration of the bus is the greatest at point B on the speed-time graph. This can be determined by observing the steepness of the graph at that point. The steeper the graph, the greater the acceleration. At point B, the graph has a sharp increase in speed, indicating a high rate of change in velocity and therefore a high acceleration.

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  • 6. 
    The diagram shows a speed-time graph for a body moving with constant acceleration.   - ProProfs

    The diagram shows a speed-time graph for a body moving with constant acceleration.  

    • Acceleration

    • Distance

    • Speed

    • Time

    Correct Answer
    A. Distance
    Explanation
    The correct answer is "Distance" because the speed-time graph represents the change in speed over time. By calculating the area under the graph, we can determine the distance traveled by the body. The steeper the graph, the greater the acceleration and the larger the area, indicating a greater distance covered. Therefore, the distance is directly related to the acceleration and can be determined from the speed-time graph.

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  • 7. 

    A small steel ball is dropped from a low balcony. Ignoring air resistance, which statement describes its motion? 

    • It falls with constant acceleration

    • It falls with constant speed

    • It falls with decreasing acceleration

    • It falls with decreasing speed

    Correct Answer
    A. It falls with constant acceleration
    Explanation
    The correct answer is "It falls with constant acceleration." This means that the ball is accelerating at a constant rate as it falls due to the force of gravity. The acceleration remains the same throughout the motion, regardless of the ball's speed or position.

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  • 8. 
    A car is moving downhill along a road at a constant speed. Which graph is the speed/ time graph for the car? - ProProfs

    A car is moving downhill along a road at a constant speed. Which graph is the speed/ time graph for the car?

    • A

    • B

    • C

    • D

    Correct Answer
    A. C
    Explanation
    Graph C is the speed/time graph for the car because it shows a constant speed. The slope of the graph is horizontal, indicating that the speed of the car remains constant over time. This is consistent with the statement that the car is moving downhill at a constant speed. Graphs A, B, and D show changes in speed over time, which do not match the given scenario.

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  • 9. 

    A tunnel has a length of 50 km. A car takes 20 min to travel between the two ends of the tunnel. What is the average speed of the car?

    • 2.5 km/h

    • 16.6 km/h

    • 150 km/h

    • 1000 km/h

    Correct Answer
    A. 150 km/h
    Explanation
    The average speed of the car can be calculated by dividing the total distance traveled by the time taken. In this case, the car traveled a distance of 50 km in 20 minutes. To convert the time to hours, we divide by 60 (20/60 = 1/3). Therefore, the average speed is 50 km divided by 1/3 hours, which equals 150 km/h.

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  • 10. 
    A car accelerates from traffic lights. The graph shows how the car’s speed changes with time. How far does the car travel before it reaches a steady speed?  - ProProfs

    A car accelerates from traffic lights. The graph shows how the car’s speed changes with time. How far does the car travel before it reaches a steady speed? 

    • 150 m 

    • 125 m

    • 200 m

    • 100 m

    Correct Answer
    A. 100 m
    Explanation
    To find the distance the car covers during this time, you can use the formula for calculating distance when you know the initial velocity, final velocity, and time:
    Distance=1/2×(Initial Velocity + Final Velocity)×Time

    In this case, the initial velocity (u) is 0 m/s (as it starts from rest), the final velocity (v) is 20 m/s, and the time (t) is 10 seconds.
    So, you can plug these values into the formula:
    Distance=1/2​×(0m/s+20m/s)×10s = 1/2​×20m/s×10s = 100meters
    So, the car covers a distance of 100 meters during the 10 seconds.

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  • 11. 
    The diagram shows the speed-time graph for an object moving at constant speed. What is the distance in meters travelled by the object in the first 3s? - ProProfs

    The diagram shows the speed-time graph for an object moving at constant speed. What is the distance in meters travelled by the object in the first 3s?

    • 18 m 

    • 20 m

    • 6 m

    • 24 m

    Correct Answer
    A. 18 m 
    Explanation
    The distance travelled by an object can be found by calculating the area under the speed-time graph. In this case, the graph shows a constant speed, which means the object is moving at a consistent rate. The area under the graph for the first 3 seconds is a rectangle with a base of 3 seconds and a height of 6 m/s (since the speed is constant). Therefore, the distance travelled by the object in the first 3 seconds is 3 seconds multiplied by 6 m/s, which equals 18 meters.

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  • 12. 
    A child is standing on the platform of a station, watching the trains. A train travelling at 30m/s takes 3s to pass the child. What is the length of the train?  - ProProfs

    A child is standing on the platform of a station, watching the trains. A train travelling at 30m/s takes 3s to pass the child. What is the length of the train? 

    • 150 m

    • 90 m

    • 60 m 

    • 120 m

    Correct Answer
    A. 150 m
    Explanation
    The length of the train can be calculated by multiplying the speed of the train by the time it takes to pass the child. In this case, the train is traveling at 30 m/s and it takes 3 seconds to pass the child. So, 30 m/s * 3 s = 90 m. Therefore, the length of the train is 90 m.

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  • Current Version
  • Nov 22, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 18, 2015
    Quiz Created by
    Frank2F
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