Question

Any number of coplanar forces acting on a rigid body can be reduced to

• A. a single force
• B. a single couple
• C. either to a single force or a single couple
• D. a single force together with a couple

Answer 1

The correct option is D a single force together with a couple

Any number of forces can be resolved to concurrent forces and respective couples. Further, the concurrent forces can be combined to get a single resultant force, and also the couples can be added algebraically to get a single couple.