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2. When a spring goes past its elastic limit, what happens?

  • the spring will immediately return to its original length.
  • the spring will no longer return to its original length when the force is removed.
  • the spring will become hot and break.
  • the spring will snap.

3. The extension of a spring is ______ to the force on it

  • proportional
  • double
  • dependent
  • half

4. What is friction caused by?

  • Two things rubbing together
  • Contact
  • Two things coming into contact
  • Movement

5. What can forces do?

  • Change the volume of an object
  • Change the shape or size of an object
  • Change the shape of an object
  • Change the size of an object
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