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Circular motion: Eduqas A‑Level Physics questions

Every Eduqas A-Level Physics exam question on 1.5 Circular motion, 2016–2025, with its mark scheme and examiner’s report.

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1,592 questions

  1. Q4(a)

    June 2025 · Component 1

    1 mark1.5 Circular motion
    The whole paper ↗
    June 2025 Component 1, question 4(a): Define angular velocity, ω. [1]

  2. Q4(b)(i)

    June 2025 · Component 1

    2 marks1.5 Circular motion
    The whole paper ↗
    June 2025 Component 1, question 4(b)(i): Show that the angular velocity of the drum is approximately 150 rad s–1. [2]

  3. Q4(b)(ii)

    June 2025 · Component 1

    3 marks1.5 Circular motion
    The whole paper ↗
    June 2025 Component 1, question 4(b)(ii): A wet sock has a mass of 0.15 kg and rotates in contact with the drum. Determine the magnitude of the centripetal force on the sock and state its direction. [3]

  4. Q4(c)

    June 2025 · Component 1

    2 marks1.5 Circular motion
    The whole paper ↗
    June 2025 Component 1, question 4(c): A student considers the forces acting on the wet sock at position A. The student states, “There is a second force, acting outwards on the sock, to balance the c

  5. Q7(b)(ii)

    June 2025 · Component 2

    3 marks1.5 Circular motion
    The whole paper ↗
    June 2025 Component 2, question 7(b)(ii): Show that the radius of orbit of the star is approximately 1.6 × 109 m. [3]

  6. Q4(a)

    June 2024 · Component 1

    2 marks1.5 Circular motion
    The whole paper ↗
    June 2024 Component 1, question 4(a): Use the diagram below to define the radian. [2]

  7. Q4(b)(i)

    June 2024 · Component 1

    3 marks1.5 Circular motion
    The whole paper ↗
    June 2024 Component 1, question 4(b)(i): A car of mass 800 kg moves around a flat, circular portion of track at a constant speed of 90 km hour −1 r θ The car sweeps out an angle, θ, equal to 2.1 radian

  8. Q4(b)(iii)

    June 2024 · Component 1

    4 marks1.5 Circular motion3.9 Magnetic fields
    The whole paper ↗
    June 2024 Component 1, question 4(b)(iii): For both the car and the electron: I. name the force that acts to provide the resultant force necessary for circular motion, [1] car: electron: II. compare the

  9. Q8(b)

    June 2024 · Component 2

    4 marks2.7 Using radiation to investigate stars1.5 Circular motion
    The whole paper ↗
    June 2024 Component 2, question 8(b): The maximum shift in wavelength measured by astronomers on Earth, when light of wavelength 656 nm from the star is analysed, is found to be about 0.20 pm. Using

  10. Q6(b)(iii)

    June 2023 · Component 1

    4 marks1.5 Circular motion
    The whole paper ↗
    June 2023 Component 1, question 6(b)(iii): I. Calculate the centripetal acceleration of the bob at the bottom of its swing. [2] II. At the bottom of the swing the tension in the thread is greater than th

  11. Q4(b)(ii)

    Autumn 2021 · Component 1

    3 marks2.6 Electrostatic and gravitational fields of force1.5 Circular motion
    The whole paper ↗
    Autumn 2021 Component 1, question 4(b)(ii): Assuming the charge on the nucleus to be +e, show that the speed of the electron is approximately 800 m s–1 [3]

  12. Q4(b)(iii)

    Autumn 2021 · Component 1

    2 marks1.5 Circular motion
    The whole paper ↗
    Autumn 2021 Component 1, question 4(b)(iii): Calculate the frequency at which the electron orbits. [2]

  13. Q4(c)(i)

    Autumn 2021 · Component 2

    3 marks1.5 Circular motion
    The whole paper ↗
    Autumn 2021 Component 2, question 4(c)(i): Ian is a keen Physics student and believes he can whirl the marble, still attached to the thread, in a vertical circle at a rate of 0.40 seconds per complete ro

  14. Q4(c)(ii)

    Autumn 2021 · Component 2

    4 marks1.5 Circular motion
    The whole paper ↗
    Autumn 2021 Component 2, question 4(c)(ii): Sketch a graph on the grid below showing the variation in tension in the thread when the period is 0.40 s. Assume the marble and thread are positioned horizonta

  15. Q7(a)(iii)

    Autumn 2021 · Component 2

    3 marks1.5 Circular motion
    The whole paper ↗
    Autumn 2021 Component 2, question 7(a)(iii): Calculate the radius of the orbit of star A. [3]

  16. Q2(b)(i)

    Autumn 2020 · Component 1

    2 marks1.5 Circular motion
    The whole paper ↗
    Autumn 2020 Component 1, question 2(b)(i): Show clearly that the protons’ speed is approximately 8 × 106 m s–1 [2]

  17. Q2(b)(ii)

    Autumn 2020 · Component 1

    3 marks1.5 Circular motion
    The whole paper ↗
    Autumn 2020 Component 1, question 2(b)(ii): Determine the magnitude and direction of a proton’s acceleration at point B. [3]

  18. Q2(c)

    Autumn 2020 · Component 1

    2 marks1.5 Circular motion
    The whole paper ↗
    Autumn 2020 Component 1, question 2(c): Two students discuss the mean force on a proton over one revolution ABCA. Adam says that the mean force is the same as the force at B, because the force is the

  19. Q4(a)(i)

    June 2019 · Component 1

    6 marks1.5 Circular motion
    The whole paper ↗
    June 2019 Component 1, question 4(a)(i): Calculate: I. the angular velocity in radians per second; [2] II. the time taken to travel an arc of length 10.0 m for a point P on the ride at 3.80 m from the

  20. Q4(a)(ii)

    June 2019 · Component 1

    5 marks1.5 Circular motion
    The whole paper ↗
    June 2019 Component 1, question 4(a)(ii): Annushka has been given permission to tie a simple pendulum from the ceiling of the rotating ride. She finds that, when the pendulum has stabilised, it hangs at
All 28 questions on Circular motion, as a list
  1. June 2025, Component 1, Q4(a) (1 mark): Define angular velocity, ω. [1]
  2. June 2025, Component 1, Q4(b)(i) (2 marks): Show that the angular velocity of the drum is approximately 150 rad s–1. [2]
  3. June 2025, Component 1, Q4(b)(ii) (3 marks): A wet sock has a mass of 0.15 kg and rotates in contact with the drum. Determine the magnitude of the centripetal force on the sock and state its direction. [3]
  4. June 2025, Component 1, Q4(c) (2 marks): A student considers the forces acting on the wet sock at position A. The student states, “There is a second force, acting outwards on the sock, to balance the c
  5. June 2025, Component 2, Q7(b)(ii) (3 marks): Show that the radius of orbit of the star is approximately 1.6 × 109 m. [3]
  6. June 2024, Component 1, Q4(a) (2 marks): Use the diagram below to define the radian. [2]
  7. June 2024, Component 1, Q4(b)(i) (3 marks): A car of mass 800 kg moves around a flat, circular portion of track at a constant speed of 90 km hour −1 r θ The car sweeps out an angle, θ, equal to 2.1 radian
  8. June 2024, Component 1, Q4(b)(iii) (4 marks): For both the car and the electron: I. name the force that acts to provide the resultant force necessary for circular motion, [1] car: electron: II. compare the
  9. June 2024, Component 2, Q8(b) (4 marks): The maximum shift in wavelength measured by astronomers on Earth, when light of wavelength 656 nm from the star is analysed, is found to be about 0.20 pm. Using
  10. June 2023, Component 1, Q6(b)(iii) (4 marks): I. Calculate the centripetal acceleration of the bob at the bottom of its swing. [2] II. At the bottom of the swing the tension in the thread is greater than th
  11. Autumn 2021, Component 1, Q4(b)(ii) (3 marks): Assuming the charge on the nucleus to be +e, show that the speed of the electron is approximately 800 m s–1 [3]
  12. Autumn 2021, Component 1, Q4(b)(iii) (2 marks): Calculate the frequency at which the electron orbits. [2]
  13. Autumn 2021, Component 2, Q4(c)(i) (3 marks): Ian is a keen Physics student and believes he can whirl the marble, still attached to the thread, in a vertical circle at a rate of 0.40 seconds per complete ro
  14. Autumn 2021, Component 2, Q4(c)(ii) (4 marks): Sketch a graph on the grid below showing the variation in tension in the thread when the period is 0.40 s. Assume the marble and thread are positioned horizonta
  15. Autumn 2021, Component 2, Q7(a)(iii) (3 marks): Calculate the radius of the orbit of star A. [3]
  16. Autumn 2020, Component 1, Q2(b)(i) (2 marks): Show clearly that the protons’ speed is approximately 8 × 106 m s–1 [2]
  17. Autumn 2020, Component 1, Q2(b)(ii) (3 marks): Determine the magnitude and direction of a proton’s acceleration at point B. [3]
  18. Autumn 2020, Component 1, Q2(c) (2 marks): Two students discuss the mean force on a proton over one revolution ABCA. Adam says that the mean force is the same as the force at B, because the force is the
  19. June 2019, Component 1, Q4(a)(i) (6 marks): Calculate: I. the angular velocity in radians per second; [2] II. the time taken to travel an arc of length 10.0 m for a point P on the ride at 3.80 m from the
  20. June 2019, Component 1, Q4(a)(ii) (5 marks): Annushka has been given permission to tie a simple pendulum from the ceiling of the rotating ride. She finds that, when the pendulum has stabilised, it hangs at
  21. June 2019, Component 1, Q4(b) (3 marks): Discuss one way in which our knowledge of the magnitude of centripetal force has been applied in the design of roads or railways or a domestic appliance. [3]
  22. June 2018, Component 1, Q2(a)(i) (1 mark): Define the angular velocity, ω, for a body moving in a circle. [1]
  23. June 2018, Component 1, Q2(a)(ii) (2 marks): Two equations giving the acceleration of a body moving at constant speed in a circle are: v2 a = and a = rω2 r Show clearly that the equations are equivalent. [
  24. June 2018, Component 1, Q2(b)(i) (2 marks): Calculate the speed of Deimos around Mars. [2]
  25. June 2017, Component 1, Q1(b) (1 mark): A physics student, Sundeep, calculates that if the wire breaks, then, 0.10 s after it breaks, the angular velocity of the bar about the hinge would be 1.3 rad s
  26. June 2017, Component 1, Q3(a)(ii) (2 marks): A teacher claims that the equation gives a ‘sensible’ value for the centripetal acceleration as r becomes extremely large. Justify her claim. [2]
  27. June 2017, Component 1, Q3(b)(i) (3 marks): Show that the magnitude of the centripetal force on the car is approximately 3 400 N. [3]
  28. June 2017, Component 1, Q3(b)(ii) (5 marks): The diagram shows the car at one point on its journey (clockwise) around the track. D is the force of air resistance on the car, and F is the horizontal compone

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