A) 4.5 J
B) 13.5 J
C) 9.0 J
D) 18.0 J
Correct Answer: B
Solution :
Key Idea: The work done will be the area of the F-x graph. Work done in moving the object from x = 0 to x = 6 m is given by W = area of rectangle + area of triangle \[=3\times 3+\frac{1}{2}\,\times 3\times 3\] = 9 + 4.5 = 13.5 JYou need to login to perform this action.
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