Work DoneHardQuestion 6006
Question
Variable force F = 3x² N acts along x-axis. Work done from x = 1 m to x = 3 m:
- A26 JCorrect
- B18 J
- C9 J
- D27 J
Correct answer
26 J
Explanation
W = ∫₁³ 3x² dx = [x³]₁³ = 27 − 1 = 26 J.
NEET Physics · Hard
Work, Energy & Power: Work Done MCQ
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