Friction force for dry surfaces. Friction force is________________?

Related Mcqs:

A single force and a couple acting in the same plane upon a rigid body_____________________?

A. balance each other B. cannot balance each other C. produce moment of a couple D. are equivalent E. none of the above...

If rain is falling in the opposite direction of the movement of a pedestrain, he has to hold his umbrella___________________?

A. more inclined when moving B. less inclined when moving C. more inclined when standing D. less inclined when standing E. none of the above...

A number of forces acting at a point will be in equilibrium if_____________________?

A. their total sum is zero B. two resolved parts in two directions at right angles are equal C. sum of resolved parts in any two per-pendicular directions are both zero D. all of them are inclined equally E. none of the above...

Center of gravity of a thin hollow cone lies on the axis at a height of ___________________?

A. one-fourth of the total height above base B. one-third of the total height above base C. one-half of the total height above base D. three-eighth of the total height above the base E. none of the above...

In detennining stresses in frames by methods of sections, the frame is divided into two parts by an imaginary section drawn in such a way as not to cut more than____________________?

A. two members with unknown forces of the frame B. three members with unknown forces of the frame C. four members with unknown forces of the frame D. three members with known forces of the frame E. four members with two known forces...