Physics 9702 · AS & A Level · Momentum and Newton's laws of motion

Momentum and Newton's laws of motion — practice question

A firework moves straight upwards through the air. Gases are driven vertically downwards from the firework. The diagram shows several forces acting on the firework and on the gases. Which forces form a Newton’s third law pair?

  • Aair resistance and force on gases
  • Bair resistance and thrust
  • Cforce on gases and thrust
  • Dthrust and weight

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