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ARC-Easy / Mercury_7044713 / When riding a roller coaster, an electric motor pulls the roller coaster to the…

Problem

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

question

When riding a roller coaster, an electric motor pulls the roller coaster to the top of the first hill. What force pulls the roller coaster down the hill?

choices

  • friction
  • speed
  • gravity
  • mass

Discussion

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Source and history

Official source

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