Angle oT friction is the

  1. Home
  2. Back

Question:
Angle oT friction is the

1.angle between normal reaction and the resultant of normal reaction and the limiting friction

2.ratio of limiting friction and normal reaction

3.he ratio of minimum friction force to the friction force acting when the body is just about to move

4.the ratio of minimum friction force to friction force acting when the body is in motion

Posted Date:-2021-10-04 18:47:52

More MCQS Questions and answers

  1. A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to
  2. Coulomb friction is the friction betweentwo dry surfaces
  3. In actual machinesmechanical advantage is unity
  4. Which of the following is not the unit of energy
  5. . If three forces acting in one plane upon a rigid body keep it in equilibrium then they must eitherbe all parallelat least two of them must meet
  6. 72. Which one of the following statements is not correctnone of the above.
  7. A body moves from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly
  8. A particle inside a hollow sphere of radius r having coefficient of friction -rr can rest upto height of
  9. A single force and a couple acting in the same plane upon a rigid body
  10. Angle oT friction is the
  11. Dynamic friction as compared to static friction ishas no correlation.
  12. Frictional force encountered after commencement of motion is calleddynamic friction.
  13. If a suspended body is struck at the centre of percussion then the pressure on die axis passing through the point of suspension will bezero
  14. If three forces acting in different planes can be represented by a triangle these will be in
  15. In ideal machines
  16. In the equation of virtual work following force is neglectedreaction at a point or an axis fixed in space around which a body is con-all of the above
  17. Kinetic friction is thethe friction force acting when the body is in motion
  18. Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction
  19. Limiting force of friction is theminimum force of friction.
  20. On a ladder resting on smooth ground and leaning against vertical wall the force of friction will be
  21. On the ladder resting on the ground and leaning against a smooth vertical wall the force of friction will be
  22. Pick up wrong statement about friction force for dry surfaces. Friction force is
  23. Tangent of angle of friction is equal to
  24. The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of
  25. The C.G. of a plane lamina will not be at its geometrical centre in the case of a
  26. The C.G. of a right circular solid cone of height h lies at the following distance from the base
  27. The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be2r/3
  28. The co-efficient of friction depends upon
  29. The coefficient of friction depends onnature of surface
  30. The effort required to lift a load W on a screw jack with helix angle a and angle of friction
  31. The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is
  32. The necessary condition for forces to be in equilibrium is that these should beboth (a) and (b) aboveall be equal
  33. The ratio of limiting friction and normal reaction is known as
  34. The resultant of the following three couples 20 kg force 0.5 m arm $ ve sense 30 kg force 1 m arm - ve sense 40 kg force 0.25 m arm + ve sense having arm of 0.5 m will be
  35. Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than oneellipsecircle
Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!