Lesson 4.5.7.1

4.5.7.1 Momentum is a property of moving objects Quiz: AQA Physics, Unit 5

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 4.5.7.1, Momentum is a property of moving objects: 20 multiple choice questions for the AQA GCSE Physics (8463), Unit 5: Forces, written with Revision Ninja.

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The 20 questions

  1. Which equation correctly defines an object's momentum?

    • Force times distance
    • Mass times velocity
    • Mass times acceleration
    • Mass times speed

  2. What is the unit of momentum?

    • m/s
    • kg m/s
    • kg m/s2
    • kg/s

  3. What momentum does a 0.5 kg object have when it moves at 4 m/s?

    • 2 kg m/s
    • 0.125 kg m/s
    • 8 kg m/s
    • 4.5 kg m/s

  4. A lorry and car travel at equal speed. Which has greater momentum?

    • The lorry
    • Both equal
    • The car
    • Neither

  5. What is the momentum of any stationary object?

    • Zero
    • One
    • Maximum
    • Infinite

  6. An object's velocity doubles while mass stays constant. What happens to its momentum?

    • It doubles
    • It halves
    • Stays constant
    • Quadruples

  7. Find the momentum of a 1200 kg car moving at 15 m/s.

    • 1800 kg m/s
    • 18 000 kg m/s
    • 180 kg m/s
    • 1215 kg m/s

  8. An object has momentum 60 kg m/s and velocity 3 m/s. What is its mass?

    • 180 kg
    • 63 kg
    • 20 kg
    • 0.05 kg

  9. An object of mass 6 kg has momentum 24 kg m/s. What is its velocity?

    • 144 m/s
    • 4 m/s
    • 0.25 m/s
    • 30 m/s

  10. A student doubles the velocity of a 4 kg cart travelling at 3 m/s. What is its new momentum?

    • 6 kg m/s
    • 3 kg m/s
    • 12 kg m/s
    • 24 kg m/s

  11. Object A has mass 4 kg and speed 2 m/s. Object B has mass 1 kg. What speed must B have to match A's momentum?

    • 8 m/s
    • 0.5 m/s
    • 4 m/s
    • 2 m/s

  12. Momentum is a physical property of which type of objects?

    • Moving objects
    • Stationary objects
    • Hot objects
    • Charged objects

  13. How much momentum does a 200 g ball carry when thrown at 25 m/s?

    • 50 kg m/s
    • 0.008 kg m/s
    • 125 kg m/s
    • 5 kg m/s

  14. Runner A (6 m/s) and runner B (3 m/s) have the same mass. What is the ratio of A's momentum to B's?

    • 1:1
    • 2:1
    • 1:2
    • 3:1

  15. A trolley of mass 2 kg has momentum 10 kg m/s. If its mass and speed both double, what is its new momentum?

    • 10 kg m/s
    • 20 kg m/s
    • 40 kg m/s
    • 80 kg m/s

  16. What is the correct unit for measuring momentum?

    • J
    • m/s^2
    • N
    • kg m/s

  17. Which change doubles the momentum of a moving object without changing its mass?

    • Halving its mass
    • Halving its velocity
    • Doubling its velocity
    • Doubling its height

  18. A cyclist and bicycle have a combined mass of 90 kg and travel at 7 m/s. What is their momentum?

    • 6300 kg m/s
    • 12.9 kg m/s
    • 630 kg m/s
    • 97 kg m/s

  19. Object A is 2 kg at 3 m/s and object B is 3 kg at 2 m/s. What is true of their momenta?

    • They are equal
    • Object A is larger
    • Both are zero
    • Object B is larger

  20. For an object of constant mass, momentum is directly proportional to what?

    • Acceleration
    • Velocity
    • Time
    • Force

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