A force `vecF=2hati +hatj-hatk` acts at point A whose position vector is`2hati-hatj. ` Find the moment of force `vecF` about the origin.

A force vecF=2hati+hatj-hatk acts at a point A whose position vectro is 2hati-hatj. If the point aplication of vecF moves from point A to point B, with position vector 2hati+hatj , find the workdown by vecF

A force vecF=hat3 +4 hatj is applied to a point whose position vector is vecr=hatI +2hatj . Find the moment N and the arm l of the force F relative to the origin.

Forces 2hati+hatj, 2hati-3hatj+6hatk and -hati+2hatj-hatk act at a point P, with position vector 4hati-3hatj-hatk . Find the vector moment of the resultant of these forces about thepoint Q whose position vector is 6hati+hatj=3hatk

A force vecF=(6.00hati-4.00hatj)N acts on a particle with position vector vecr=(-3.00hati+1.00hatj)m . Find (a) the torque about the origin acting on the particle and (b) the angle between vecrandvecF .

Two forces -hati+2hatj-hatk and 2hati-5hatj+6hatk act on a particfle whose position vector is 4hati-3hatj+2hatk and displace it to another point whose positon vector is 6hati+hatj-3hatk . Find the total work done by the force.

A force vecF = (hati + 2hatj +3hatk)N acts at a point (4hati + 3hatj - hatk)m . Then the magnitude of torque about the point (hati + 2hatj + hatk)m will be sqrtx N-m. The valueof x is ___________

Find the torque of a force vecF=3hati+4hatj+5hatk N about a point O , whose position vector is vecr = hati+hatj+hatk m .

A force F=(2hati+3hatj-hatk)N is acting on a body at a position r=(6hati-3hatj-2hatk) . Calculate the torque about the origin

Find the torque of a force vecF=2hati+hatj+4hatk acting at the point vecr=7hati+3hatj+hatk :