 # Centre Of Gravity In Applied Mechanics objective questions and answers

26.  The centre of gravity of a plane laminate will not be at its geometrical centre if it is a

A. Circle

B. Equilateral triangle

C. Rectangle

D. Right angled triangle

D. Right angled triangle

27.  Centre of gravity of a thin hollow cone lies on the axis of symmetry at a height of

A. One-half of the total height above base

B. One-third of the total height above base

C.One-forth of the total height above base

D. None of these

B. One-third of the total height above base

28.  The centre of gravity of a homogeneous body is the point at which the whole

A. Volume of the body is assumed to be concentrated

B. Area of the surface of the body is assumed to be concentrated

C. Weight of the body is assumed to be concentrated

D. All of the above

C. Weight of the body is assumed to be concentrated

29.  The centre of gravity of a quadrant of a circle lies along its central radius at a distance of

A. 0.2 R

B. 0.3 R

C. 0.4 R

D. 0.6 R

D. 0.6 R

30.  The centre of gravity of a right circular cone lies on its axis of symmetry at a height of

A. h / 2

B. h / 3

C. h / 4

D. h / 5