Engineering Mechanics Online Test

1. Virtual Work done is best given by_______________

2. We show the net forces by the help of __________ forces.

3. What if the perpendicular distance from the axis is infinity?

4. In the problems regarding the friction and normal force calculations, there is no scope of the two force and three force systems.

5. A composite body is consisted of __________ number of particles.

6. The free body diagram of which part of the section of the truss is made to make use of method of joints?

7. If two equal vector forces are mutually perpendicular then the resultant force is acting at which angle as compared to one of the vector?

8. The net forces of acting on the body need to be zero. This is also applicable for the simply supported beams. This means that the support reaction is also counted in making the net force zero.

9. Trusses lie in a single plane. And the calculations used to solve the forces are from vector math.

10. The assumptions for the calculations are done for the cables. In that one of the assumption is that the cable is flexible and the other is that the cable is ___________

11. The frictional force in the belts always acts ____________ to the surface of the application of the friction.

12. If any external conservative force also is applied on the distributed loading then?

13. Determine the moment generated at R.

14. What is B in the equation T₂ = T₁e^µB ?

15. In the explanation of the theory of friction over which conservative forces were acted upon, the block used to have an assumption. That is the upper portion of the block is considered to be rigid.

16. __________ is a structure made of slender members which are joined together at their end points.

17. What is the magnitude of the vector, 12i – 8j – 24k?

18. What are Ix, Iy and Ixy in the equation?

19. The single pin, single bearing and single hinge resist _______

20. Determine the magnitude of the resultant force acting on the shaft shown. The length is 2m.

21. The cantilever beam is having pin supports both sides of it.

22. Virtual Work done is saved in the form of potential energy. It is best given by ___________

23. What does the moment of the force measure?

24. For making the equilibrium equations for the belt the normal forces that are being acted over them are in which direction in the free body diagrams?

25. The kinetic friction is applied when the body is __________

26. Determine the magnitude of the principle moment of inertia for the cross section of area of member shown whose width is 100mm.

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27. Determine the magnitude of the moment of the force about the axis PQ.

28. Which of the following is correct?

29. If the rotation is clockwise in this page, suppose, then in which direction will the thumb project if you curl your hand in the same direction of the rotation for bending moment diagram?

30. If you are opening the door, then the force you apply is greater if you open it from the part closer to the hinges.

31. Determine the del product of inertia for the triangle in the given figure used for the calculations.

32. If solving the question in 3D calculations is difficult, then use the 2D system and then equate the ratio of the product of the centroid of the section to its mass to the total mass of the body to the centre of mass.

33. As the loading is acting in the two dimensions, that is in a single plane. Thus the calculations involved in the trusses are in 2D.

34. The x axis coordinate and the y axis coordinate of the centroid are having different types of calculations to calculate them.

35. The measure of the body’s resistance to angular acceleration is called ___________

36. Find the force in the member vertical at the right, joined by the hinge.

37. The force components prevent the beam from which of the following process?

38. The various points in the cables under distributed load is facing a ____________ tensile force.

39. Who gave the concept of Dry friction?

40. Which statement is right for force vector F = Ai + Bj + Ck?

41. For stability of equilibrium configuration the net moment acting on the body by various forces is zero.

42. One of the use of the centre of mass or centroid is as in the mass moment of inertia is that the net force acts at the ___________ of the loading body.

43. The simplification of the couple is done on the basis of the ______________

44. In the equation A.(rxF) the r is heading from ______________ and ending at _____________

45. Calculate the frictional force developed between the body and the surface.

46. Composite materials can be of __________ shapes.

47. The determination of the internal loading is usually done so as to _________________

48. Determine the value of the q, parallel to the z-axis. That is the point of intersection of the projections of the points A, B and C parallel to the xy plane. With the distance between the tri-section point and the points A, B and C be equal to 0.6m.

49. All the forces need to be collinear in the three force system. Then only they will for the equilibrium state.

50. Determine the moment about the point P.