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प्रश्न
Define centre of gravity.
Define the term ‘centre of gravity of a body’.
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उत्तर १
उत्तर २
The centre of gravity is an imaginary location where the body’s whole weight is assumed to be concentrated.
संबंधित प्रश्न
A uniform half meter rule balances horizontally on a knife-edge at 29 cm mark when a weight of 20 gf is suspended from one end
1) Draw a diagram of the arrangement
2) What is the weight of the half meter rule?
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Where is the centre of gravity of a uniform ring situated?
The centre of gravity of a uniform ball is ______.
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.
Give scientific reason for the following:
In a doubled decker bus passengers are not allowed to stand in the upper deck.
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 a uniform gravitational field on Earth, the Centre of Gravity and Centre of Mass are:
In a non-uniform gravitational field, how does the Centre of Gravity relate to the Centre of Mass?
