A force of 15 units act iln the direction of the vector `veci-vecj+2veck` and passes through a point `2veci-2vecj+2veck`. Find the moment of the force about the point `veci+vecj+veck`.

Write the unit vector in the direction of vecA=5veci+vecj-2veck .

Find the dot and cross product of the vectors veca=2veci-3vecj+veck and vecb= -veci+3vecj+veck

Find the vector equation of the through the points 2veci+vecj-3veck and parallel to vector veci+2vecj+veck

Find the equation of the plane through the point 2veci+3vecj-veck and perpendicular to the vector 3veci-4vecj+7veck .

The torque about the point 3veci-vecj+3veck of a force 4veci+2vecj+veck through the point 5veci+2vecj+4veck is

A rigid body is rotating at 5 radians per second about an axis AB where A and B are the pont 2veci+vecj+veck and 8veci-2vecj+3veck respectively. Find the veclocity of the practicle P of the body at the points 5veci-vecj+veck .

A non zero vector veca is parallel to the line of intersection of the plane determined by the vectors veci,veci+vecj and the plane determined by the vectors veci-vecj, veci+veck find the angle between veca and the vector veci-2vecj+2veck .

A unit vector coplanar with veci + vecj + 2veck and veci + 2 vecj + veck and perpendicular to veci + vecj + veck is _______

A unit vector coplanar with veci + vecj + 2veck and veci + 2 vecj + veck and perpendicular to veci + vecj + veck is _______

The number of vectors of unit length perpendicular to the vectors veca = 2veci + vecj + 2veck and vecb = vecj + veck is: