Question:
A particle moves along X-axis from $x=0$ to $x=5$ cm under the influence of force $F=(7-2x+3x²)$ N. The work done is:
A particle moves along X-axis from $x=0$ to $x=5$ cm under the influence of force $F=(7-2x+3x²)$ N. The work done is:
Show Hint
Work done = $\int Fdx$.
Updated On: Apr 16, 2026
- 70 J
- 270 J
- 35 J
- 135 J
Show Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: $W = \int₀⁵ (7 - 2x + 3x²) dx = [7x - x² + x³]₀⁵ = 35 - 25 + 125 = 135$ J.
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