anonymous
  • anonymous
Which of the following explains why a bicycle uses a gear? A. The gear increases the effort force needed. B. The gear increases resistance force. C. The gear decreases effort force. D. The gear decreases resistance force.
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
2. Which of the following is a compound machine? A. a screw being screwed into a piece of wood B. a can opener C. a crowbar D. a wheel and axle
anonymous
  • anonymous
A can opener. We have a gear assembly and a wedge to cut into the can.
anonymous
  • anonymous
thnk u

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anonymous
  • anonymous
Gear decrease effort force
anonymous
  • anonymous
thnk u again.

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