A-LevelPhysicsForces, density and pressureMay/June 2017Paper 1 Q111 Mark
In a machine, many couples act on a rotating object as shown. [Figure shows a rotating object with various forces and their distances from the center. Forces are 50 N (at 6.5 cm and 12 cm), 25 N (at edges, 16 N (at 4.0 cm and 10 cm), 30 N (at edges).] What is the resultant torque acting on the rotating object?
A4.7 Nm
B8.6 Nm
C9.3 Nm
D17.1 Nm
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of forces, density and pressure within the Physicssyllabus. The examiner's mark scheme requires...
📋 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...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep