Advertisements
Advertisements
Question
State Kepler’s law which is represented by the relation r3 ∝ T2.
Advertisements
Solution
Kepler’s law of periods states that: The cube of the mean distance of a planet from the sun is directly proportional to the square of the time it takes to move around the sun.
APPEARS IN
RELATED QUESTIONS
Which of the following quantities remain constant in a planetary motion (consider elliptical orbits) as seen from the sun?
A thin spherical shell having uniform density is cut in two parts by a plane and kept separated as shown in the following figure. The point A is the centre of the plane section of the first part and B is the centre of the plane section of the second part. Show that the gravitational field at A due to the first part is equal in magnitude to the gravitational field at B due to the second part.
Who stated the law of gravitation?
Name and state the action and reaction in the following case:
A book lying on a table.
Explain the difference between g and G.
The gravitational force between two bodies is directly proportional to the product of the masses of those bodies and is _______ of the distance between them.
Three uniform spheres, each having mass m and radius r, are kept in such a way that each touches the other two. The magnitude of the gravitational force on any sphere due to the other two is
How is the gravitational force between two point masses affected when they are dipped in water keeping the separation between them the same?
Give scientific reasons for the following:
Newton's gravitational law is the universal law of gravitation.
The acceleration of the Moon towards the Earth is approximately:
