If a suspended body is struck at the center of percussion, then the pressure on die axis passing through the point of suspension will be_________________?

Related Mcqs:

1. The center of percussion of a solid cylinder of radius r resting on a horizontal plane will be_________________?

   A. r/2
   B. 2r/3
   C. r/A
   D. 3r/2
   E. 3r/A

2. The center of percussion of the homogeneous rod of length L suspended at the top will be___________________?

   A. L/2
   B. L/3
   C. 3L/4
   D. 2L/3
   E. 3L/8

3. Center of percussion is___________________?

   A. the point of C.G.
   B. the point of metacentre
   C. the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
   D. point of suspension
   E. the point in a body about which it can rotate horizontally and oscillate under the influence of gravity

4. The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is__________________?

   A. same
   B. double
   C. half
   D. four times
   E. one fourth

5. Center of gravity of a solid cone lies on the axis at the height _____________________?

   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

6. 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

7. The necessary condition for forces to be in equilibrium is that these should be_________________?

   A. coplanar
   B. meet at one point ;
   C. both A. and B. above
   D. all be equal
   E. something else

8. On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be_________________?

   A. downwards at its upper end
   B. upwards at its upper end
   C. perpendicular to the wall at its upper end
   D. zero at its upper end
   E. none of the above

9. The center of gravity of a uniform lamina lies at____________________?

   A. the center of heavy portion
   B. the bottom surface
   C. the mid point of its axis
   D. all of the above
   E. none of the above

10. The center of gravity of a triangle lies at the point of __________________?

    A. concurrence of the medians
    B. intersection of its altitudes
    C. intersection of bisector of angles
    D. intersection of diagonals
    E. all of the above