From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate___________________?

Related Mcqs:

1. A semi-circular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi-cricular disc and horizontal surface is i. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will____________________?

   A. remain horizontal
   B. slant up towards direction of pull
   C. slant down towards direction of pull
   D. unpredictable
   E. none of the above

2. 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

3. 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

4. The C.G. of a right circular solid cone of height h lies at the following distance from the base_____________?

   A. h/2
   B. J/3
   C. h/6
   D. h/4
   E. 3/i/5

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 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

8. 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

9. 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

10. 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