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प्रश्न
Name the scientist who gave the three laws of planetary motion.
उत्तर
Johannes Kepler gave the three laws of planetary motion.
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संबंधित प्रश्न
What name has been given to the force with which two objects lying apart attract each other ?
What happens to the gravitational force between two objects when the distance between them is :
(1) doubled ?
(2) halved ?
What assumption was made by Newton regarding the shape of an orbit of a planet around the sun for deriving his inverse square rule from Kepler’s third law of planetary motion ?
What is the free fall?
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
Write proper answer in the box:
If `"F" = ("G""m"_1"m"_2)/"d"^2` then F = ______
Describe how the gravitational force between two objects depends on the distance between them.
According to one of the Kepler's laws of planetary motion :
Identify the mistake in the given diagram and draw it again.
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.
