briannaweems44 briannaweems44
  • 04-04-2018
  • Biology
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what happens to muscles when pulling a rope

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newton5988p5a3by
newton5988p5a3by newton5988p5a3by
  • 04-04-2018
muscles tighten and contract just as if you were flexing.
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schanner772
schanner772 schanner772
  • 04-04-2018
i suppose they contract

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