A-LevelPhysicsDynamicsFeb/Mar 2017Paper 2 Q211 Marks
Two blocks, A and B, are on a horizontal frictionless surface. The blocks are joined together by a spring, as shown in [Figure 2.1]. Block A has mass 4.0 kg and block B has mass 6.0 kg. The variation of the tension F with the extension x of the spring is shown in [Figure 2.2]. The two blocks are held apart so that the spring has an extension of 8.0 cm.
📋 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