Torque of a force F-2-3- acting at a point 1m- 0- 3m about Z axis is -

The correct option is D 3 #160;Nm Torque about (0, #160;0, #160;0) =r̅×F̅ = ( î+̂3̂k̂̂̂ )× ( 2î+̂3̂ĵ̂ ) =3k̂+̂6̂ ̂(̂ ̂+̂ĵ̂ ̂ ...

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Dimensional Analysis

Torque of a f...

Question

Torque of a force $F = 2^i + 3^j$ acting at a point $(1 m, 0, 3 m)$ about $Z$ axis is :

3 N m

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\sqrt{130} N m

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6 N m

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0 N m

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Solution

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Similar questions

F = 2^i + 3^j -^k

\to F = (2^i + 3^j - 2^k) N

(2 m, 4 m, - 2 m) .

F = 2^i + 3^j -^k

(2, - 3, 1) .

(0, 0, 2)

\to F

^i

^j

^k

\to r

^i

^j

^k

\to F = 2^i +^j + 4^k

\to r = 7^i + 3^j +^k

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