APFIVE Work Done by a Variable Force
A particle experiences a force F(x) = 3x² N, where x is in meters. If the particle moves from x = 1 m to x = 3 m, compared to a constant force of 3 N over the same displacement, the work done by F(x) is:
A
8 times greater
B
3 times greater
C
9 times greater
D
4 times greater
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