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JEECUP (UP Polytechnic) Spring Properties — practice questions

Explore 1 free Spring Properties questions in JEECUP (UP Polytechnic) Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Spring Properties questions and exercises with answers

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A spring of force constant $k$ is cut into two equal halves. The force constant of each half is:Read the answer and worked solution →

Worked practice questions

A spring of force constant $k$ is cut into two equal halves. The force constant of each half is:

  1. $k/2$
  2. $k$
  3. $2k$ (stiffer when shorter)
  4. $4k$
Show answer and solution

Correct answer: C. $2k$ (stiffer when shorter)

Spring constant is inversely proportional to length: $k \propto 1/L$. Halving the length doubles the spring constant. **Useful corollary:** cutting a spring into n equal parts gives each part a constant of $nk$.

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