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 explained the motion of planets on the basis of gravitational force between the sun and planets.
What type of force is involved in the formation of tides in the sea ?
State the SI unit of acceleration due to gravity.
The mass of the earth is 6 × 1024 kg. The distance between the earth and the sun is 1.5 × 1011 m. If the gravitational force between the two is 3.5 × 1022 N, what is the mass of the sun? Use G = 6.7 × 10–11 N m2 kg–2
An object is thrown vertically upwards with a velocity u, the greatest height h to which it will rise before falling back is given by :
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 :
An apple of mass 100 g falls from a tree because of gravitational attraction between the earth and the apple. If the magnitude of force exerted by the earth on the apple be F1 and the magnitude for force exerted by the apple on the earth be F2, then :
According to one of the Kepler's laws of planetary motion :
Identify the mistake in the given diagram and draw it again.
The value of acceleration due to gravity
