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A constant force (2 hat i+ 3 hat j+ 4 ha...

A constant force `(2 hat i+ 3 hat j+ 4 hat k)` mewton pewton produces a desplacement of `(2 hati +3 hat j+ 4 hat k)` metre. What is the word done?

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Work done, `W=vec F.vec S =(2 hat I +3 hatj +4 hat k).(2 hati +3 hat j +4 hat k)
`=2xx2 +3xx 3+4xx4=4 +9 16 =29 J`
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