A-LevelPhysicsForces, density and pressureFeb/Mar 2020Paper 1 Q121 Mark
A uniform rod of weight 20 N and length 2.0 m is acted upon by two vertical forces, as shown. [Figure showing a uniform rod with two vertical forces, 15 N upwards and 5.0 N downwards, applied at its ends] What are the resultant force acting on the rod and the resultant moment about the centre of gravity of the rod?
A0 10
B0 20
C20 10
D20 20
✓ Correct Answer
The correct answer is A. 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