Three nonparallel, nonzero forces act on the rigid body shown What must be true for this body to be in equilibrium The force must have the same line of action The forces must form an equilateral triangle O The forces must all be equal. O None of the provided answers are correct O For forces must form a couple O The line of action of each force must intersect a single point, O O O

Three nonparallel, nonzero forces act on the rigid body shown What must be true for this body to be in equilibrium The force must have the same line of action The forces must form an equilateral triangle O The forces must all be equal. O None of the provided answers are correct O For forces must form a couple O The line of action of each force must intersect a single point, O O O