A-LevelMathematicsMechanicsFeb/Mar 2024Paper 4 Q610 Marks
A car of mass 1800kg is towing a trailer of mass 300kg up a straight road inclined at an angle α to the horizontal, where sinα = 0.05. The car and trailer are connected by a tow-bar which is light and rigid and is parallel to the road. There is a resistance force of 800N acting on the car and a resistance force of FN acting on the trailer. The driving force of the car's engine is 3000N.
📋 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.
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