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A body constrainedto move along the z-ax...

A body constrainedto move along the z-axis of a co-ordinate system is subjected to a constant force `vec(F)` given by `vec(F)=-hat(i)+2hat(j)+3hat(k)` newton where `hat(i),hat(j)`and `hat(k)` represent unit vectors along x-,y-,and z-axes of the system, respectively.Calculate the work done by this force in displacing the body through a distance of `4m`along the z-axis.

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