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प्रश्न
'The position of the centre of gravity of a body remains unchanged even when the body is deformed'.
विकल्प
True
False
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उत्तर
This statement is False.
Explanation:
The position of the centre of gravity of a body of given mass depends on its shape i.e., on the distribution of mass in it.
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संबंधित प्रश्न
A square cardboard is suspended by passing a pin through a narrow hole at its one corner. Draw a diagram to show its rest position. In the diagram, mark the point of suspension by the letter S and the centre of gravity by the letter G.
Explain how you will determine experimentally the position of the centre of gravity for a triangular lamina (or a triangular piece of cardboard).
'The centre of gravity of a freely suspended body always lies vertically below the point of suspension'.
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.
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:
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.
What is Gravitational force? Give gravitational units of force.
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.
