The couple in the beam is simplified easily by the help of right hand rule in shear stress diagrams. But the forces simplification is not possible as there is no such system of rules so that the forces can be simplified.

• A. The first part of the statement is false and other part is true
• B. The first part of the statement is false and other part is false too
• C. The first part of the statement is true and other part is false
• D. The first part of the statement is true and other part is true too