Explain the process of translation of force to a parallel position with neat sketches.

The forces, whose lines of action are parallel to each other and act in the same directions, are known as ?

Explain composition and resolution of forces.

State and prove parallelogram law of forces?

Relate work to force and the distance over which the forceis applied.

Four forces are acting on a body. If the body doesn’t change its position or shape, the forces:(A) must be of equal magnitude(B) must be parallel & opposite(C) must add up to zero when taken as vectors(D) must be in a single line