APFIVE Work Done by a Variable Force
A variable force, described by the function F(x) = (3x - 12) N, acts on a 5 kg object as it moves along the x-axis from x = 2 m to x = 8 m. What is the total work done by the force on the object over this interval?
A
72 J
B
0 J
C
36 J
D
18 J
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