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A force (2hati+3hatj-hatk) newtons acts...

A force `(2hati+3hatj-hatk) ` newtons acts on a particle having position vector `(hati-hatj+2hatk)` . Find the torque of the force about origin.

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The correct Answer is:
`sqrt(83)Nm`
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AAKASH SERIES-ELEMENTS OF VECTORS -Numerical Exercise( Level 2)
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