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A force F = -K(y hatI + x hatj) (where K...

A force `F = -K(y hatI + x hatj) (where `K` is a posive constant ) acts on a particle moving in the `xy` plane . Starting form the original , the partical is taken along in the positive `x` axis to the point `(x,0)` and then partical to they axis the point `(x,0)` . The total work done by the force `F` on the particls is

A

`-2 Ka^(2)`

B

`2Ka^(2)`

C

`-Ka^(2)`

D

`Ka^(2)`

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The correct Answer is:
C
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