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zerek14

  • Junior
  • ***
The amount of force needed to sustain motion of a rock in outer space is

A) a force equal to its weight.
B) a force less than its weight if friction is absent.
C) none of these

Marked as best answer by zerek14

the lynx

  • PhD Member
  • ******
Answer: C

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Ruby

  • PhD Member
  • ******
I appreciate you answering this question. This is a great community