Forces of magnitudes 5 and 3 units acting in the directions ` 6hati + 2hatj + 3hatk and 3 hati - hati +6hatk` respectively act on a particle which is displaced from the point ( 2,2,-1) to ( 4,3,1) . The work done by the forces, is

Forces of magnitudes 5 and 3 units acting in the directions 6hati + 2hatj + 3hatk and 3 hati - 2hatj +6hatk respectively act on a particle which is displaced from the point ( 2,2,-1) to ( 4,3,1) . The work done by the forces, is

Forces of magnitude 3 and 2 units acting in the directions 5 hati + 3 hatj + 4 hatk and 3 hati + 4 hatj - 5hatk respectively act on a particle which is displaced from the point (1 , 1 , -1) to (3 , 3 , 1) . The work done by the forces is equal to

forces of magnitudes 5,3,1 units acting in the direction 6hati+2hatj+3hatk,3hati-2hatj+6hatk,2hati-3hatj-6hatk respectively act on a particle, which is displaced from the point (2,-1,-3) to (5,-1,1). Find the work done by the forces.

Force of magnitudes 3 and 4 units acting along 6 hati + 2hat j + 3hatk and 3hatj-2hatj+6hatk respectively act on a particle and displace it from (2,2,-1) to (4,3,1) . The work done is

If the constant forces 2hati-5hatj+6hatk and -hati+2hatj-hatk act on a particle due to which it is displaced from a point A (4,-3,-2) to a point B (6,1,-3), then the work done by the forces is

Forces acting on a particle have magnitude 5,3 and 1 unit and act in the direction of the vectors 6 hati + 2 hatj + 3 hatk , 3 hati , - 2 hatj + 6 hatk and 2 hati - 3 hatj - 6 hatk respectively. They remain constant while the particle is displaced from the point A (2, -1,-3) to B (5,-1,1) The work done is :