Question: A spring with spring constant k is extended from 𝑥 = 0 to 𝑥 = 𝑥1.The work done will be
(A) kx_{1}^{2}
(B) \dfrac{1}{2}kx_{1}^{2}
(C) 2 kx_{1}^{2}
(D) 2 kx_{1}
Answer: Option (B)
Solution:
A spring with spring constant k is extended from 𝑥 = 0 to 𝑥 = 𝑥1.The work done will be
with
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