Vectors and Equilibrium

A body is in a static equilibrium only when it is? S.I. units for moment arm is? Area of parallelogram is equal to magnitude of? If east, west, north, south, up and down representing the direction of unit vectors, then east x south has direction? When the resultant of two forces of equal magnitudes also equal to the magnitude of the forces then the angle between them? For anti-parallel vectors, angle is equal to?

ISSB Test

ISSB Tests