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प्रश्न
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उत्तर
संबंधित प्रश्न
Give an example of a non-contact force which is always of attractive nature
State a factor on which the position of the centre of gravity of a body depend? Explain your answer with an example.
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.
Give scientific reason for the following:
There are chances of toppling when a truck takes a sharp turn especially when it is not fully loaded
The centre of gravity of a hollow cone of height h is at distance x from its vertex where the value of x is ______.
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)
What is centre of gravity ?
