1.

The moment about the point \(\widehat i + 2\widehat j + 3\widehat k\) of a force represented by \(\widehat i + \widehat j + \widehat k\) acting through the point \(\left( { - 2\widehat i + 3\widehat j + \widehat k} \right)\) is

A. \(3\widehat i - \widehat j - 4\widehat k\)
B. \(3\widehat i + \widehat j - 4\widehat k\)
C. \(3\widehat i + \widehat j + 4\widehat k\)
D. None of these
Answer» C. \(3\widehat i + \widehat j + 4\widehat k\)


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