Specification references covered: P2.1–P2.5 (scalar vs vector quantities; magnitude and direction; distance/displacement; speed/velocity; force/mass; weight/momentum; acceleration; energy)

The Topic Mastery Sheet is built around the two most penalised errors in this subtopic: misclassifying speed as a vector, and giving only one side of the speed/velocity comparison when both marks are available. The sheet provides a full classification table for all specification quantities, a clear distance vs displacement contrast using the official mark schemes, the 2-mark speed vs velocity wording in the exact form accepted by Edexcel, and a typical speeds reference table including the MCQ answer for speed of sound.

The Student Exam Practice Sheet (20 marks) covers: speed of sound MCQ; speed vs velocity 2-mark explanation; two vector quantities; scalar/vector classification table; distance calculation; displacement calculation using official route data; distance vs displacement definition with example; tape measure and stop clock method; walking speed; distance/displacement for a return journey; and F = ma scalar/vector classification.

The Teacher Answer Key gives the exact 2-mark wording for the speed/velocity explanation, the mark note that “velocity is speed in a particular direction” = 2 marks, and the classification table marks guidance.

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