A force of (10 i-3j+6k)N acts on a body and displaces from A(6i+5j-3k) to B(10i-2j+7k).find the work done
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Explanation:
(10i-2j+7k)-(6i+5j-3k)========10i-2j+7k-6i-5j+3k
======= 4i-7j+10k
WORK DONE ======Force * Displacement
====== (10i-3j+6k)* (4i-7j+10k)
======40+21+60
=======121
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