Spring Potential Energy
A spring (k = 400 N/m) compressed by 0.15 m stores what energy?
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About This Question
- Subject
- physics
- Chapter
- work, energy and power
- Topic
- spring potential energy
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
4.5 J
- Elastic Potential Energy: Energy stored in a spring due to deformation is U=21kx2.
- Identify Variables:
- Spring constant k=400 N/m
- Displacement x=0.15 m
- Calculation:
- U=21×400×(0.15)2
- U=200×0.0225
- U=4.5 J.
- Conclusion: The stored energy is 4.5 J.
This easy difficulty physics question is from the chapter work, energy and power, covering the topic of spring potential energy. It appeared in the 2025 exam.
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