VectorHard
Question
A force F = 2î + ĵ − 
acts at a point A whose position vector is 2î − ĵ. The moment of F about origin is-
acts at a point A whose position vector is 2î − ĵ. The moment of F about origin is-Options
A.î + 2ĵ + 4
B.î − 2ĵ + 4
C.î + 2ĵ − 4
D.î + 2ĵ − 4
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