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संबंधित प्रश्न
Give an example of a non-contact force which is always of attractive nature
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.
The centre of gravity of a uniform ball is ______.
Give scientific reason for the following:
It is easier to push a boy standing on one leg than on both legs.
Give scientific reason for the following:
In a doubled decker bus passengers are not allowed to stand in the upper deck.
Explain why One leans forward while climbing up a hill.
Explain why a tight rope-walker, often holds a long pole in his hands when in action.
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 ____________.
