Center of MassMedium
Question
Choose the correct statement:
(1) Centre of gravity (C.G) of a body is the point at which the weigth of the body acts
(2) Centre of mass conincides with the centre of gravity if the earth is assumed to have infinitely large radius
(3) To evaluate the gravitational field of intensity due to any body at an external point, the entire mass of the body can be considered to be concentrated at its C.G.
(4) The radius of gyration of any body rotating about an axis is the from length of the perpendicular dropped from the C.G. of the body to the axis.
(1) Centre of gravity (C.G) of a body is the point at which the weigth of the body acts
(2) Centre of mass conincides with the centre of gravity if the earth is assumed to have infinitely large radius
(3) To evaluate the gravitational field of intensity due to any body at an external point, the entire mass of the body can be considered to be concentrated at its C.G.
(4) The radius of gyration of any body rotating about an axis is the from length of the perpendicular dropped from the C.G. of the body to the axis.
Options
A.(4) and (1)
B.(1) and (2)
C.(2) and (3)
D.(3) and (4)
More Center of Mass Questions
Three masses the placed on the x-axis 300 g at origin, 500 g at x = 40 cm and 400 g at x = 70 cm.The distance of the cen...A uniform sphere is placed on a smooth horizontal surface and a horizontal force F is applied on it at a distance h abov...In which of the following cases, the centre of the mass of a rod may be at its centre ?...A uniform rope of linear mass density λ and length l is coiled on a smooth horizontal surface. One end is pulled up...The position of center of mass of three masses $2\text{ }kg,3\text{ }kg$ and 15 kg placed with respect to mid point (p) ...