Strength of Materials
A single force and a couple acting in the same plane upon a rigid body

cannot balance each other
produce moment of a couple
balance each other
are equivalent

ANSWER DOWNLOAD EXAMIANS APP

Strength of Materials
If a rigid body is in equilibrium under the action of three forces, then

these forces are equal
the lines of action of these forces meet in a point
the lines of action of these forces are parallel
the lines of action of these forces meet in a point & the lines of action of these forces are parallel

ANSWER DOWNLOAD EXAMIANS APP