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प्रश्न
Explain why Standing passengers are not allowed on the upper deck of a double-decker bus.
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उत्तर
The centre of gravity is raised and on an inclined road, the bus may topple.
संबंधित प्रश्न
The distance between two bodies is doubled. How is the magnitude of the gravitational force between them affected?
On what factor does the position of the center of gravity of a body depend?
State a factor on which the position of the centre of gravity of a body depend? Explain your answer with an example.
'The centre of gravity of a freely suspended body always lies vertically below the point of suspension'.
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)
What is centre of gravity ?
Why is it beneficial for engineers to design tall structures with a low Centre of Gravity?
