Chapter 9: Forces and Motion

A-level MathematicsStatistics and Mechanics7 topicsHigher

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Forces and Newton's Laws Long-Answer Questions

Examiner-style long-answer practice with automatic marking, improvement advice and ProofCoach tracking.

4 questions24 marks36 min

standard / hard / synoptic

6 marksfindstandardEdexcel

SM09-1: mass 5 kg with resultant force 18 N. Find acceleration = 3.6

m\,s^{-2}

for resultant force and acceleration. Show the method clearly by using use F = ma.

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6 marksshow thatstandardEdexcel

SM09-2 verification: show that the printed answer is valid by applying use F = ma. Include a check using mass 5 kg with resultant force 18 N.

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6 marksprovehardEdexcel

SM09-3 proof: starting with mass 5 kg with resultant force 18 N, prove acceleration = 3.6

m\,s^{-2}

for resultant force and acceleration; give restrictions.

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6 markshencesynopticEdexcel

Using SM09-4's earlier result acceleration = 3.6

m\,s^{-2}

, hence solve the linked problem in resultant force and acceleration and state whether the answer is exact or rounded.

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8. Constant Acceleration

10. Variable Acceleration

Key learning objectives

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