Advertisements
Advertisements
प्रश्न
What is the actual shape of the orbit of a planet around the sun? What assumption was made by Newton regarding the shape of an orbit of a planet around the sun of deriving his inverse square rule from Kepler's third law of planetary motion?
उत्तर
The shape of a planet’s orbit around the sun is elliptical.
The assumption made by Newton is that the orbit of the planet around the sun is circular.
APPEARS IN
संबंधित प्रश्न
Name the scientist who gave the three laws of planetary motion.
State the SI unit of acceleration due to gravity.
Describe how the gravitational force between two objects depends on the distance between them.
In the relation F = G ✕ M ✕ m/d2, the quantity G:
The gravitational force of attraction between two objects is x. Keeping the masses of the objects unchanged, if the distance between the objects is halved, then the magnitude of gravitational force between them will become :
If the distance between two masses is doubled, the gravitational force between them becomes less than the previous force.
The value of acceleration due to gravity
The gravitational force between two objects is F. If masses of both objects are halved without changing distance between them, then the gravitational force would become
The earth is acted upon by the gravitation of the Sun, even though it does not fall into the Sun. Why?
Give scientific reasons.
Any object on earth falls vertically downward and not at an angle to the vertical; nor fly off in a horizontal direction.
