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Physics (AS & A Level) · Feb / March 2025 · Paper 12 · Question 8

9702Momentum and Newton’s laws of motion

An astronaut of mass $m$ in a spacecraft experiences a gravitational force $F = mg$ when stationary on the launchpad. What is the gravitational force on the astronaut when the spacecraft is launched vertically upwards with an acceleration of $0.2g$?

  1. A1.2mg
  2. Bmg
  3. C0.8mg
  4. D0

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Correct answer: B. mg

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