A particle moves from a point vector (-2i+5j) N is (4j+3k) when a force ...

A particle moves from a point vector (-2i+5j) N is (4j+3k) when a force of vector (4i+3j) N is applied. How much work has been done by the force ?

Neet 2016 W P E Q 6Practically nothing to do much in this qus . Force is constant, info of initial and final positions are given. All we need to find out the dot product of force and displacement . 

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