Question

A force F=-k ( yî + xj) (where, k is a positive constant) acts on a particle moving in the x-y plane. Starting from the origin, the particle is taken along the positive X-axis to the point (a,0) and then parallel to the Y-axis to the point (a,a) The total work done by the force F on the particle is
(a) -2ka
(c)-ka
(d) ka
(b) 2ka​

Answer 1

Answer:

(b)2

Explanation:

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