Engineering Mechanics Practice Test 6

1. The coefficient of kinetic friction is ____________ than coefficient of static friction.

2. The shear diagram will jump upwards if_____________

3. If the unknown variables in the calculations for cables under distributed load are more than the known quantities, then the number of equations required to solve all the unknown variables are?

4. At what conditions the dry friction occurs between the surfaces in contact?

5. Calculate the product of normal force and the coefficient of friction between the body and the surface.

6. If two equal vector forces are mutually perpendicular in the cable subjected to its own weight then the resultant force is acting at which angle as compared to one of the vector?

7. For making the equilibrium equations the normal forces acts in which direction in the free body diagrams?

8. Which one is not the condition for the equilibrium in free body diagram for calculation of the normal forces, consider all forces to be straight and linear?

9. Which of the following is the assumption on the property of the surface on which block is present in case we are dealing with the calculations involving the friction?

10. For determination of the equilibrium state in the free body diagram the basic way of getting the direction of the moment caused by the force is: