MCQ
The energy stored in wound watch spring is:
- AK.E.
- BP.E.
- CHeat energy
- DChemical energy
✓
Answer
- P.E.
Explanation:
Energy stored in spring is potential energy, and it is defined as.
$\text{E}=\frac{1}{2}\text{Kx}^2$
where k is spring constant, and x is the extension/compression in spring.
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