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

Momentum and Newton's laws of motion — practice question

An astronaut with mass $m$ is inside a spacecraft and, while it is at rest on the launchpad, experiences a gravitational force of $F = mg$. What is the gravitational force acting on the astronaut when the spacecraft is launched vertically upwards with an acceleration of $0.2g$?

  • A$1.2mg$
  • B$mg$
  • C$0.8mg$
  • D0

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