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A force F=2hat(i)+hat(j)-hat(k) acts at ...

A force `F=2hat(i)+hat(j)-hat(k)` acts at point A whose position vector is `2hat(i)-hat(j)`. Find the moment of force F about the origin.

A

`hat(i)+2hat(j)-4hat(k)`

B

`hati-2hatj-4hatk`

C

`hati+2hatj+4hatk`

D

`hati-2hatj+4hatk`

Text Solution

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The correct Answer is:
C
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