Practice question

In a simple planetary gearset, reverse output is produced when the:

  1. Carrier is held, the sun gear is driven, and the ring gear is the output
  2. Ring gear and sun gear are locked together
  3. Carrier is the input and the ring is held
  4. Sun gear is held and the carrier is driven

Answer: A — Carrier is held, the sun gear is driven, and the ring gear is the output

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