Question

A body is displaced by 2m in Z-direction by a force (4, 2, 6) N. Find the work done ..
2.
(A)-8
(C) 12
(D) 4J
(B) 10J
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Answer 1

Answer:pls follow me....................................

Explanation:

Answer 2

For the given question , 12 J would be correct answer
Because can be define as w= f.x here f and x both will be place in vector form so work is a dot product result of f and x here ..
So f = 4i + 2j +6k
x =.0i + 0j + 2k
By the dot product we can easily find our answer 12J