Advertisements
Advertisements
प्रश्न
If the mass and radius of the Earth are both doubled, then the acceleration due to gravity g'
विकल्प
remains same
`"g"/2`
2 g
4 g
Advertisements
उत्तर
`"g"/2`
APPEARS IN
संबंधित प्रश्न
The gravitational potential energy of the Moon with respect to Earth is ____________.
The work done by the Sun’s gravitational force on the Earth is __________.
The magnitude of the Sun’s gravitational field as experienced by Earth is
An object of mass 10 kg is hanging on a spring scale which is attached to the roof of a lift. If the lift is in free fall, the reading in the spring scale is ___________.
What is meant by the superposition of the gravitational field?
Prove that at points near the surface of the Earth, the gravitational potential energy of the object is U = mgh.
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 Earth’s pull on the Moon suddenly disappears, what will happen to the Moon?
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?
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.
