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![[Post New]](/templates/default/images/icon_minipost_new.gif) 10 Mar 2008 17:05:06 IST
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A article acted on by the constant forces 4i+j-3k and 3i+j-k is dislaced from point i+2j+3k to the point 5i+4j+k. then what is the total workdone?????????????????????
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F total= 7i+2j-4k
displacement=r2-r1= 4i+2j-2k
Work done= F.x
=28+4+8
=40
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12 Mar 2008 02:30:29 IST
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