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MMLU / Satellites in circular Earth orbit maintain a constant speed because…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

Satellites in circular Earth orbit maintain a constant speed because gravitational force on them is

choices

  1. zero
  2. practically zero
  3. appreciably weaker than at Earth’s surface
  4. without a component of force along their circular path

subject

conceptual_physics

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Source and history

Official source

initial import