Chapter 15: Forces and Friction

A-level MathematicsStatistics and Mechanics7 topicsHigher

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alevel · mathematics · Statistics and Mechanics · All papers

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Connected Particles Long-Answer Questions

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4 questions24 marks36 min

standard / hard / synoptic

6 marksfindstandardEdexcel

SM15-1: masses 3 kg and 5 kg connected by a light string. Find same acceleration for both particles for tension and acceleration in connected systems. Show the method clearly by using write Newton's second law for each particle with a common acceleration.

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6 marksshow thatstandardEdexcel

SM15-2 verification: show that the printed answer is valid by applying write Newton's second law for each particle with a common acceleration. Include a check using masses 3 kg and 5 kg connected by a light string.

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6 marksprovehardEdexcel

SM15-3 proof: starting with masses 3 kg and 5 kg connected by a light string, prove same acceleration for both particles for tension and acceleration in connected systems; give restrictions.

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6 markshencesynopticEdexcel

Using SM15-4's earlier result same acceleration for both particles, hence solve the linked problem in tension and acceleration in connected systems and state whether the answer is exact or rounded.

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Key learning objectives

Understand the key principles behind Forces and Friction.
Apply these ideas to exam-style questions.
Recall the essential definitions and key terms.