Applied Mechanics MCQs

Pick up the incorrect statement from the following :

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

The C.G. of a right circular cone lies on its axis of symmetry at a height of

Centre of gravity of a thin hollow cone lies on the axis of symmmetry at a height of

The Centre of gravity of a 10 x 15 x 5 cm T section from its bottom, is

A square hole is punched out of a circular lamina, the diagonal of the square being the radius of the circle. If r is the radius of the circle, the C.G. of the remainder from the corner of the square on the circumference will be

From a circular plate of a diameter 6 cm is cut out a circle whose diameter is equal to the radius of the plate. The C.G. of the remainder from the centre of circular plate is at a distance of

The units of moment of inertia of an area, are

If a spherical body is symmetrical about its perpendicular axes, the moment of inertia of the body about an axis passing through its centre of gravity as given by Routh's rule is obtained by dividing the product of the mass and the sum of the squares of two semi-axes by n where n is