Define Centre of gravity:

Define: Centre of mass

Define centre of mass.

Choose the correct options For a circular ring centre of gravity lies

Why do we need to know the centre of mass of an object? For which objeects, its position may differ from that of the centre of gravity?

Two brass sphere of radii 5 cm and 10 cm are brought in contact with each other. Find the centre of gravity of the combination.

Radius of gyration of a body about an axis is 12 cm. Radius of gyration of the same body about a parallel axis passing througfh its centre of gravity is 13 cm. Then perpendicular distance between the two axis

A molecule in which centre of gravity of positive nuclei and revolving electrons do not coincide is

Moment of inertia of a solid cylinder of length L and diameter D about an axis passing through its centre of gravity and perpendicular to its geometric axis is

The radius of gyration of a disc of mass 100 g and radius 5 cm about an axis passing through its centre of gravity and perpendicular to the plane is

A vehicle moves on a horizontal curved road of radius of curvature 50 m, height of centre of gravity 1.5 m, the distance between the two wheels 2 m and acceleration due to gravity 9.8 m//s^2 .Then the maximum velocity with which it can travel on the road will be