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Attaching two springs together

  1. May 4, 2006 #1
    I have a question on a recent assignment.

    A weightless spring is stretched 10 cm by a suspended 1-kg block. If two such springs are used to suspend the block, one spring above the other, to effectively provide one double-length spring, then the total stretch of the double-length spring will be? Is the k constant the same in both cases?

    Thank You,
  2. jcsd
  3. May 4, 2006 #2


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    Staff: Mentor

    implies that the spring constants are the same.

    Each spring experiences the same force since they are colinear.
  4. May 5, 2006 #3
    If each spring experiences the same force, 1-kg, then each will have a 10 cm strech and total 20 cm combined?
  5. May 5, 2006 #4


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    Homework Helper

    Yes, that's correct.
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