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Inclined Plane and Screws

18. A force o...

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18. A force of 2i +2j+3k N is acting on a very light rod pinned at origin.if this force is acting on this light rod at (1,1,1) m, then torque about origin will be

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Q. What is the torque of a force

F = (2 ˆ i - 3 ˆ j + 4 k)

N acting at a point

r = (3 ˆ i + 2 ˆ j + 3 ˆ k)

m about the origin in N-m ? (Given

τ = r \times F

Q. The torque of the force

\to F = (2 ˆ i - 3 ˆ j + 4 ˆ k) N

acting at a point

\to r = (3 ˆ i + 2 ˆ j + 3 ˆ k) m

about the origin will be

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

is acting on a body at point

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

Find torque of this force about origin.

\to F

is the force acting on a particle having position vector

\to r

\to τ

be the torque of this force about the origin, then

\to F

be a force acting on a particle having the position vector

\to r

\to τ

be the torque of this force about the origin, then

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