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Friction and limiting equilibrium past paper questions

Mechanics 9709 · Forces and equilibrium. Normal reaction, coefficient of friction, F <= mu R and limiting friction F = mu R.

In Cambridge A Level Mechanics 9709, Friction and limiting equilibrium came up in 31 of the 42 papers on Paperstreak, for about 6 marks a paper when it does. It last came up in October/November 2025.

Often set with Connected particles, Constant acceleration, Vertical motion and inclined planes, Force, mass and acceleration.

34 questions, newest first

1. 9709/41/O/N/25 Question 5 · 6 marks
2. 9709/43/O/N/25 Question 7 · 7 marks
3. 9709/42/M/J/25 Question 5 part (b) · 4 marks
4. 9709/42/F/M/25 Question 6 part (b) · 4 marks
5. 9709/41/O/N/24 Question 6 · 6 marks
6. 9709/43/O/N/24 Question 5 part (a) · 5 marks
7. 9709/42/M/J/24 Question 5 · 8 marks
8. 9709/42/F/M/24 Question 3 · 5 marks
9. 9709/41/O/N/23 Question 5 · 7 marks
10. 9709/42/O/N/23 Question 4 part (a) · 3 marks
11. 9709/43/O/N/23 Question 3 part (b) · 4 marks
12. 9709/43/O/N/23 Question 7 part (a) · 5 marks
13. 9709/41/M/J/23 Question 6 part (a) · 4 marks
14. 9709/42/M/J/23 Question 5 · 6 marks
15. 9709/42/F/M/23 Question 6 parts (a(ii)) (b) · 6 marks
16. 9709/41/O/N/22 Question 6 part (a) · 6 marks
17. 9709/42/O/N/22 Question 2 part (a) · 3 marks
18. 9709/43/O/N/22 Question 7 part (a) · 3 marks
19. 9709/41/M/J/22 Question 3 · 5 marks
20. 9709/42/M/J/22 Question 5 · 6 marks
21. 9709/43/M/J/22 Question 6 part (b) · 5 marks
22. 9709/42/F/M/22 Question 7 part (a) · 6 marks
23. 9709/41/O/N/21 Question 4 part (b) · 5 marks
24. 9709/43/O/N/21 Question 6 part (a) · 2 marks
25. 9709/42/M/J/21 Question 4 · 6 marks
26. 9709/43/M/J/21 Question 7 part (a) · 4 marks
27. 9709/42/F/M/21 Question 5 part (c) · 3 marks
28. 9709/42/O/N/20 Question 6 · 8 marks
29. 9709/43/O/N/20 Question 3 part (b) · 5 marks
30. 9709/43/O/N/20 Question 7 part (a) · 5 marks
31. 9709/41/M/J/20 Question 4 part (a) · 4 marks
32. 9709/41/M/J/20 Question 7 part (b) · 5 marks
33. 9709/42/M/J/20 Question 3 · 8 marks
34. 9709/42/F/M/20 Question 2 part (b) · 4 marks

More in Forces and equilibrium: Force diagrams, components and resultants, Equilibrium of a particle.

Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.