Step 4 of 4 · topic

Forces and motion

WJEC 3420QS — matched to your course.

Resultant force, acceleration, momentum and motion graphs.

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Forces and motion

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Subtopics and study areas

  • Apply F = ma and equations linking speed, distance and time.
  • Interpret balanced and unbalanced forces.
  • Explain stopping distance and terminal velocity.
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Investigating terminal speed

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Subtopics and study areas

  • Use lightweight falling objects to investigate how terminal speed depends on mass.
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