What Is the Total Stretch When Two Springs Are Combined?

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Homework Help Overview

The discussion revolves around the behavior of springs when combined, specifically focusing on the total stretch of two springs used to suspend a 1-kg block. The subject area includes concepts from mechanics and spring dynamics.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants explore the implications of using two identical springs and question whether the spring constants remain the same. There is discussion about the force experienced by each spring and the resulting stretch.

Discussion Status

The conversation includes attempts to clarify the relationship between the forces acting on the springs and their respective stretches. Some participants affirm the reasoning presented regarding the total stretch when two springs are combined, though there is no explicit consensus on the final outcome.

Contextual Notes

Participants are operating under the assumption that the springs are identical and that the spring constants are the same. The problem context includes a specific weight and configuration of the springs.

srebman
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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,
Sean
 
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If two such springs
implies that the spring constants are the same.

Each spring experiences the same force since they are colinear.
 
If each spring experiences the same force, 1-kg, then each will have a 10 cm strech and total 20 cm combined?
 
srebman said:
If each spring experiences the same force, 1-kg, then each will have a 10 cm strech and total 20 cm combined?

Yes, that's correct.
 

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