Advertisements
Advertisements
प्रश्न
'The centre of gravity of a freely suspended body always lies vertically below the point of suspension'.
विकल्प
True
False
Advertisements
उत्तर
This statement is true.
APPEARS IN
संबंधित प्रश्न
Give an example of a non-contact force which is always of attractive nature
At which point is the centre of gravity situated in a triangular lamina?
A square cardboard is suspended by passing a pin through a narrow hole at its one corner. Draw a diagram to show its rest position. In the diagram, mark the point of suspension by the letter S and the centre of gravity by the letter G.
'The position of the centre of gravity of a body remains unchanged even when the body is deformed'.
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.
The centre of gravity of a hollow cone of height h is at distance x from its vertex where the value of x is ______.
Explain the term ‘centre of gravity’ of a body.
State two methods of increasing the stability of the body.
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)
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 ____________.
