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[" Questior "(7/." A body constrained to move along "Z" -axis of a coordinate "],[" system is subjected to a constant force "F" given by "F=-hat i+2hat j+3hat kN],[" where "hat i,hat j" and "hat k" are the unit vector along the "X,Y" and "Z" -axis of the "],[" ystem respectively.What is the work done by this force in moving the "],[" ody a distance of "4" m along the "Z" -axis? "]

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