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Q.8. On application of a force of i ^ + j ^ + k ^ units on a particle, it changed its position from i ^ + j ^   t o   j ^ - k ^ . Find the work done.
[2 units]

Dear student
Work done F.sW=(i^+j^+k^).(j^-k^)-(i^+j^)W=(i^+j^+k^)(-k^)-i^)W=-1-1=-2 Regards

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