Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
P.E. of a body of mass M and at a height H above the earth's surface is:
P.E. = MgH ; here, g = acceleration due to gravity.
APPEARS IN
संबंधित प्रश्न
What is the weight of a body placed at the centre of the earth?
'The position of the centre of gravity of a body remains unchanged even when the body is deformed'.
A uniform flat circular rim is balanced on a sharp vertical nail by supporting it at point A, as shown in the figure. Mark the position of the centre of gravity of the rim in the diagram by the letter G.
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.
A right-angled triangle cardboard piece is placed as shown in fig. 7. Redraw the diagram showing the relative position of the vertices of the triangle when it is suspended by a pin from the hole A. Explain why the position changes?
Where does the position of centre of gravity lie for a circular lamina
Explain why One leans forward while climbing up a hill.
Explain why Standing passengers are not allowed on the upper deck of a double-decker bus.
For regular shapes of the small body, which of the following statement is true?
