Advertisements
Advertisements
प्रश्न
The work done by Sun on Earth at any finite interval of time is
पर्याय
positive, negative or zero
Strictly positive
Strictly negative
It is always zero
Advertisements
उत्तर
It is always zero
APPEARS IN
संबंधित प्रश्न
If the masses of the Earth and Sun suddenly double, the gravitational force between them will ___________.
A planet moving along an elliptical orbit is closest to the Sun at distance r1 and farthest away at a distance of r2. If v1 and v2 are linear speeds at these points respectively. Then the ratio `"v"_1/"v"_2` is
If the distance between the Earth and Sun were to be doubled from its present value, the number of days in a year would be ___________.
Write unit of the gravitational field.
Define gravitational potential energy.
Is potential energy the property of a single object? Justify.
Define gravitational potential.
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?
Calculate the gravitational field at point O due to three masses m1, m2 and m3 whose positions are given by the following figure. If the masses m1 and m2 are equal what is the change in a gravitational field at the point O?
