1.

A Force →F=−2k [y^i+x^j] N ,where k is constant, acts on a particle moving in the xy plane. Starting from the origin, the particle is taken along the positive x−axis to the point (a,0) and then parallel to y− axis to the point (a,a). The total work done by the force →F on the particle is

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A Force F=2k [y^i+x^j] N ,where k is constant, acts on a particle moving in the xy plane. Starting from the origin, the particle is taken along the positive xaxis to the point (a,0) and then parallel to y axis to the point (a,a). The total work done by the force F on the particle is



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