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Question 30416
JEE Physics · Medium

Work, Power and Energy: Spring Work MCQ

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Spring WorkMediumQuestion 30416

Question

A spring (k = 300 N/m) is stretched 0.2 m from its natural length. Work done in stretching it is:
  1. A
    60 J
  2. B
    30 J
  3. C
    6 J
    Correct
  4. D
    12 J

Correct answer

6 J

Explanation

W = ½kx² = ½×300×0.04 = 6 J.

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