1.

A force of (10hat i -3hat j + 6 hat k) newton acts on abody of AAA mass 100 g and displaces it from (6hat i + 5hat j — 3hat k) metre (10hat i-2hat j+7hat k) metre. The work done is :

Answer»

21I
121 J
361 J
1000 J

Answer :B


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