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.
संबंधित प्रश्न
Explain the motion of a planet around the Sun in a circular path.
At which point is the centre of gravity situated in a triangular lamina?
Fig. shows the dimensions of an acute angled triangle. By geometrical construction mark the C.G. of the triangle.
Give scientific reason for the following:
In a doubled decker bus passengers are not allowed to stand in the upper deck.
Explain the term ‘centre of gravity’ of a 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 ____________.
A hollow ice cream cone has height 6 cm.
- Where is the position of its center of gravity from the broad base?
- Will its position change when it is filled completely with honey? Write Yes or No.
Why is it beneficial for engineers to design tall structures with a low Centre of Gravity?
