Question

If 3 coplanar forces are represented in magnitude and direction by the 3 sides of a triangle taken in order, then the algebraic sum of the moments of the forces about any point is equal to

• A. Twice the area of the triangle
• B. Half the area of the triangle
• C. Thrice the area of the triangle
• D. Equal to the area of the triangle

Answer 1

Answer:

A. Twice the area of the triangle

Note;

coplanar force : the forces whose line of action le on the same plane