A force acts at the point .

PHYSICS · Multi-part · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion

Problem

A force F⃗=7i^−2j^+4k^ N\vec F = 7\hat i - 2\hat j + 4\hat k\,\text{N} acts at the point A(2 m, ⁣3 m, ⁣−1 m)A(2\,\text{m},\!3\,\text{m},\!-1\,\text{m}). (i) Calculate the torque of this force about the origin OO. (ii) Find the magnitude of the torque obtained in part (i). (iii) Hence determine the perpendicular distance of the line of action of the force from the origin.

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