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Dynamics: OCR A‑Level Physics A questions

Every OCR A-Level Physics A exam question on 3.2.1 Dynamics, 2016–2025, with its mark scheme and examiner’s report.

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1,877 questions

  1. Q16(c)(ii)

    June 2025 · Paper 1

    1 mark3.2.1 Dynamics
    The whole paper ↗
    June 2025 Paper 1, question 16(c)(ii): Calculate the resultant force acting on the car at t = 12 s, using your answer to (a)(ii). resultant force = N [1]

  2. Q16(c)(iii)

    June 2025 · Paper 1

    2 marks3.2.1 Dynamics
    The whole paper ↗
    June 2025 Paper 1, question 16(c)(iii): The black dot in the diagram below represents the car at time t = 12 s. The total resistive forces acting on the car, D, are shown. Calculate the constant total

  3. Q17(b)(ii)

    June 2025 · Paper 1

    2 marks3.2.1 Dynamics
    The whole paper ↗
    June 2025 Paper 1, question 17(b)(ii): Explain why the passengers are described as ‘weightless’ during the projectile motion of the aircraft. [2]

  4. Q21(b)(i)

    June 2025 · AS Paper 1

    3 marks3.2.1 Dynamics
    The whole paper ↗
    June 2025 AS Paper 1, question 21(b)(i): Calculate the expected reading on the scales. reading on scales = N [3]

  5. Q21(c)

    June 2025 · AS Paper 1

    2 marks3.2.1 Dynamics
    The whole paper ↗
    June 2025 AS Paper 1, question 21(c): The lift moves downwards at a constant speed. The student remains standing on the scales. State and explain the expected reading on the scales. [2]

  6. Q5(a)(i)

    June 2025 · AS Paper 2

    4 marks3.2.1 Dynamics
    The whole paper ↗
    June 2025 AS Paper 2, question 5(a)(i): On Fig. 5.2 draw a free-body diagram representing all the forces acting on the loaded trolley. Label the forces. [4]

  7. Q5(a)(ii)

    June 2025 · AS Paper 2

    1 mark3.2.1 Dynamics
    The whole paper ↗
    June 2025 AS Paper 2, question 5(a)(ii): State the value of T. T = N [1]

  8. Q16(b)(i)

    June 2023 · Paper 1

    2 marks3.2.1 Dynamics
    The whole paper ↗
    June 2023 Paper 1, question 16(b)(i): Estimate the magnitude of the average resultant force F required to bring the vehicle to rest. F = N [2]

  9. Q1(a)(ii)

    June 2023 · AS Paper 2

    1 mark3.2.1 Dynamics
    The whole paper ↗
    June 2023 AS Paper 2, question 1(a)(ii): Calculate the average braking force F while the brakes are applied. F = N [1]

  10. Q4

    June 2022 · Paper 1

    1 mark3.2.1 Dynamics
    The whole paper ↗
    June 2022 Paper 1, question 4: The diagram below shows the directions and magnitudes of the three forces acting on an object at a specific time as it moves through water. 0.80 N 0.60 N object

  11. Q21(b)(ii)

    June 2022 · AS Paper 1

    3 marks3.2.1 Dynamics
    The whole paper ↗
    June 2022 AS Paper 1, question 21(b)(ii): At t = 1.0 s the tension T in the rope is 680 N and the total horizontal resistance acting on the buggy and person is R. Calculate R by resolving the tension in

  12. Q14

    November 2021 · Paper 1

    1 mark3.2.1 Dynamics
    The whole paper ↗
    November 2021 Paper 1, question 14: A ball of mass m is falling vertically through the air. F weight of ball The total upward force acting on the ball is F. The force F is less than the weight of

  13. Q1(a)(i)

    November 2021 · Paper 3

    1 mark3.2.1 Dynamics
    The whole paper ↗
    November 2021 Paper 3, question 1(a)(i): Show that the train’s acceleration is about 1 m s–2. [1]

  14. Q3

    November 2020 · Paper 1

    1 mark3.2.1 Dynamics
    The whole paper ↗
    November 2020 Paper 1, question 3: A tennis ball is hit with a racket. The force applied by the racket on the ball is F. The ball has a vertical path through the air. Which statement is correct w

  15. Q16(a)

    November 2020 · Paper 1

    2 marks3.2.1 Dynamics
    The whole paper ↗
    November 2020 Paper 1, question 16(a): There are four forces acting on the car travelling up the slope. Complete the free-body diagram below for the car and label the missing forces. normal contact f

  16. Q23(b)(ii)

    November 2020 · AS Paper 1

    3 marks3.2.1 Dynamics
    The whole paper ↗
    November 2020 AS Paper 1, question 23(b)(ii): The drone now moves vertically upwards. The velocity v against time t graph for the drone is shown below. v Y X Z 0 0 t The tension in the wire at X is 7.5 N. D

  17. Q5(d)

    November 2020 · AS Paper 2

    3 marks3.2.1 Dynamics
    The whole paper ↗
    November 2020 AS Paper 2, question 5(d): Determine the braking force F. You may use information from (c) or from the graph. F = N [3]

  18. Q17(b)

    June 2019 · Paper 1

    1 mark3.2.1 Dynamics
    The whole paper ↗
    June 2019 Paper 1, question 17(b): Calculate the resultant force F acting on the ball at t = 0.25 s. F = N [1]

  19. Q1(c)(ii)

    June 2019 · Paper 3

    3 marks3.2.1 Dynamics
    The whole paper ↗
    June 2019 Paper 3, question 1(c)(ii): Hence calculate the initial vertical acceleration of the rocket. initial acceleration = m s–2 [3]

  20. Q1(d)

    June 2019 · Paper 3

    3 marks3.2.1 Dynamics
    The whole paper ↗
    June 2019 Paper 3, question 1(d): Discuss whether adding more water initially would enable the rocket to reach a greater height. [3]
All 31 questions on Dynamics, as a list
  1. June 2025, Paper 1, Q16(c)(ii) (1 mark): Calculate the resultant force acting on the car at t = 12 s, using your answer to (a)(ii). resultant force = N [1]
  2. June 2025, Paper 1, Q16(c)(iii) (2 marks): The black dot in the diagram below represents the car at time t = 12 s. The total resistive forces acting on the car, D, are shown. Calculate the constant total
  3. June 2025, Paper 1, Q17(b)(ii) (2 marks): Explain why the passengers are described as ‘weightless’ during the projectile motion of the aircraft. [2]
  4. June 2025, AS Paper 1, Q21(b)(i) (3 marks): Calculate the expected reading on the scales. reading on scales = N [3]
  5. June 2025, AS Paper 1, Q21(c) (2 marks): The lift moves downwards at a constant speed. The student remains standing on the scales. State and explain the expected reading on the scales. [2]
  6. June 2025, AS Paper 2, Q5(a)(i) (4 marks): On Fig. 5.2 draw a free-body diagram representing all the forces acting on the loaded trolley. Label the forces. [4]
  7. June 2025, AS Paper 2, Q5(a)(ii) (1 mark): State the value of T. T = N [1]
  8. June 2023, Paper 1, Q16(b)(i) (2 marks): Estimate the magnitude of the average resultant force F required to bring the vehicle to rest. F = N [2]
  9. June 2023, AS Paper 2, Q1(a)(ii) (1 mark): Calculate the average braking force F while the brakes are applied. F = N [1]
  10. June 2022, Paper 1, Q4 (1 mark): The diagram below shows the directions and magnitudes of the three forces acting on an object at a specific time as it moves through water. 0.80 N 0.60 N object
  11. June 2022, AS Paper 1, Q21(b)(ii) (3 marks): At t = 1.0 s the tension T in the rope is 680 N and the total horizontal resistance acting on the buggy and person is R. Calculate R by resolving the tension in
  12. November 2021, Paper 1, Q14 (1 mark): A ball of mass m is falling vertically through the air. F weight of ball The total upward force acting on the ball is F. The force F is less than the weight of
  13. November 2021, Paper 3, Q1(a)(i) (1 mark): Show that the train’s acceleration is about 1 m s–2. [1]
  14. November 2020, Paper 1, Q3 (1 mark): A tennis ball is hit with a racket. The force applied by the racket on the ball is F. The ball has a vertical path through the air. Which statement is correct w
  15. November 2020, Paper 1, Q16(a) (2 marks): There are four forces acting on the car travelling up the slope. Complete the free-body diagram below for the car and label the missing forces. normal contact f
  16. November 2020, AS Paper 1, Q23(b)(ii) (3 marks): The drone now moves vertically upwards. The velocity v against time t graph for the drone is shown below. v Y X Z 0 0 t The tension in the wire at X is 7.5 N. D
  17. November 2020, AS Paper 2, Q5(d) (3 marks): Determine the braking force F. You may use information from (c) or from the graph. F = N [3]
  18. June 2019, Paper 1, Q17(b) (1 mark): Calculate the resultant force F acting on the ball at t = 0.25 s. F = N [1]
  19. June 2019, Paper 3, Q1(c)(ii) (3 marks): Hence calculate the initial vertical acceleration of the rocket. initial acceleration = m s–2 [3]
  20. June 2019, Paper 3, Q1(d) (3 marks): Discuss whether adding more water initially would enable the rocket to reach a greater height. [3]
  21. June 2019, AS Paper 1, Q21(c)(ii) (2 marks): Use your answer from (i) to calculate the mass m of the dolphin. m = kg [2]
  22. June 2018, Paper 1, Q10 (1 mark): A trolley of mass M is pulled along a horizontal table by a force W provided by a mass hanging from the end of a string as shown. string pulley trolley bench W
  23. June 2018, AS Paper 1, Q3 (1 mark): A ball is thrown through the air. The ball experiences a small amount of drag compared to its weight. At a particular time the ball is at point X. Which arrow b
  24. June 2018, AS Paper 1, Q21(b)(ii) (2 marks): The frictional forces acting on the trolley are negligible. The acceleration of the trolley down the ramp is equal to the component of the acceleration of free
  25. June 2018, AS Paper 1, Q23(b) (3 marks): The container is now full of water. The string is cut and the tube accelerates vertically upwards through the water. The weight of the tube is 0.80 N and the up
  26. June 2017, Paper 1, Q8 (1 mark): The diagram shows two opposite vertical forces of magnitude 1.2 N and 2.1 N acting on an object. 2.1 N object 1.2 N Which of the following statements could be c
  27. June 2017, Paper 1, Q18(c)(i) (3 marks): Add arrows to Fig. 18.2 to show the three forces acting on the wooden cylinder. Label the arrows. [3]
  28. June 2017, AS Paper 1, Q11 (1 mark): A cable is attached to an object of weight 30 N. The object is pulled vertically upwards with an acceleration of 6.0 m s–2. What is the tension in the cable? A
  29. June 2016, AS Paper 1, Q6 (1 mark): The graph shows the resultant force on a football as it is kicked. force 0 0 time Which of the following graphs relating to this kick would have the same shape
  30. June 2016, AS Paper 1, Q21(b)(i) (1 mark): Other than the normal contact force, there are two other forces acting on the stationary trolley. On Fig. 21, draw arrows to show these two forces. You do not n
  31. June 2016, AS Paper 1, Q22(b) (3 marks): The mass of the car is 920kg. Use the gradient of the line drawn in Fig. 22 to determine the braking force F acting on the car. F = N [3]

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