Advertisements
Advertisements
प्रश्न
Define the gravitational field.
Advertisements
उत्तर
The gravitational field intensity `vec"E"_1` at a point is defined as the gravitational force experienced by unit mass at that point.
APPEARS IN
संबंधित प्रश्न
If the masses of the Earth and Sun suddenly double, the gravitational force between them will ___________.
The gravitational potential energy of the Moon with respect to Earth is ____________.
If the mass and radius of the Earth are both doubled, then the acceleration due to gravity g'
Will the angular momentum of a planet be conserved? Justify your answer.
Define gravitational potential energy.
Derive the expression for gravitational potential energy.
If a comet suddenly hits the Moon and imparts energy which is more than the total energy of the Moon, what will happen?
If the ratio of the orbital distance of two planets `"d"_1/"d"_2` = 2, what is the ratio of gravitational field experienced by these two planets?
What is the gravitational potential energy of the Earth and Sun? The Earth to Sun distance is around 150 million km. The mass of the Earth is 5.9 × 1024 kg and the mass of the Sun is 1.9 × 1030 kg.
Earth revolves around the Sun at 30 km s−1. Calculate the kinetic energy of the Earth. In the previous example, you calculated the potential energy of the Earth. What is the total energy of the Earth in that case? Is the total energy positive? Give reasons.
