Advertisements
Advertisements
प्रश्न
The centre of gravity of a uniform ball is ______.
विकल्प
at its geometrical centre
at its bottom
at its topmost point
at any point on its surface
Advertisements
उत्तर
The centre of gravity of a uniform ball is at its geometrical centre.
APPEARS IN
संबंधित प्रश्न
State a factor on which the position of the centre of gravity of a body depend? Explain your answer with an example.
The figure shows three pieces of cardboard of uniform thickness cut into three different shapes. On each diagram draw two lines to indicate the position of the centre of gravity G.
Following Fig shows piece of cardboard of uniform thickness cut into different shapes. Draw two lines to indicate the position of centre of gravity G.
Following Fig shows piece of cardboard of uniform thickness cut into different shapes. Draw two lines to indicate the position of centre of gravity G.
A boy of mass 40 kg runs up a height of 30 steps, each 20 cm high. Find:
(i) The force of gravity acting on the boy.
(ii) The work done by the boy against gravity. (Take g = 9.8 ms−2)
In ______ equilibrium, the centre of gravity remains at the same height when it is displaced.
If mean radius of earth is R, its angular velocity is ro and the acceleration due to gravity at the surface of the earth is g, then the cube of the radius of the orbit of satellite will be ____________.
For regular shapes of the small body, which of the following statement is true?
Mention the real-life applications of the center of gravity.
