A body constrained to move along Z- of a coordinate system is subject to a constant force F given by F= -i+2j+3k N what is the work done in moving the body a distance of 4m along the Z-axis

Asked by swetha anandh | 23rd Sep, 2010, 03:37: PM

Expert Answer:

Δd= 4k
so work done=F.Δd
                  =  (-i+2j+3k).(4k)
                  =12 J

Answered by  | 23rd Sep, 2010, 07:35: PM

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