Advertisements
Advertisements
प्रश्न
Explain the motion of a planet around the Sun in a circular path.
Advertisements
उत्तर
A planet moves around the Sun in a nearly circular path for which the gravitational force of attraction on the planet by the Sun provides the necessary centripetal force required for circular motion.
APPEARS IN
संबंधित प्रश्न
The distance between two bodies is doubled. How is the magnitude of the gravitational force between them affected?
State a factor on which the position of the centre of gravity of a body depend? Explain your answer with an example.
At which point is the centre of gravity situated in a circular lamina?
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'.
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.

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?

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.
When this triangular lamina is suspended freely from any one vertex, what is the moment of force produced by its own weight in its rest position?
