O-LevelPhysicsForcesOct/Nov 2025Paper 1 Q51 Mark
The diagram shows an athlete doing press-ups on a floor. The athlete is using both hands. The area of contact of each hand with the floor is S. The athlete's toes act as a pivot during each press-up. The athlete's weight W acts through point X. The distance between his toes and point X is three quarters of the distance between his toes and his shoulders. What is the pressure exerted on the palm of each of the athlete's hands?
AW
8S
B3W
8S
CW
4S
D3W
4S
✓ Correct Answer
The correct answer is B: 3W 8S
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
🔒
Unlock the Examiner's Analysis
Sign up for free to reveal the full examiner report, trap analysis, and mark scheme breakdown for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep