79) If three forces acting in one plane upon a rigid body, keep it in equilibrium, then they must either
Answer is:
all the above are correct
Related Structural Engineering III MCQ with Answers
Answer is:
limiting friction
Explanation:
The maximum frictional force, which comes into play, when an body just begins to slide over the surface of the other body, is known as limiting friction.
Answer is:
both coplanar and meet at one point
Answer is: