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

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

The units of moment of inertia of an area are__________________?

A. Kg m2
B. M4
C. Kg/m2
D. M3

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

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

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

The units of moment of inertia of mass are ________________?

A. Kg m2
B. M4
C. Kg/m2
D. Kg/m

A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve ____________________?

A. Catenary
B. Parabola
C. Hyperbola
D. Elliptical

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____________________?

A. 0.5 cm
B. 1.0 cm
C. 1.5 cm
D. 2.5 cm

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