Advertisements
Advertisements
Question
If the masses of the Earth and Sun suddenly double, the gravitational force between them will ___________.
Options
remain the same
increase 2 times
increase 4 times
decrease 2 times
Solution
If the masses of the Earth and Sun suddenly double, the gravitational force between them will increase 4 times.
APPEARS IN
RELATED QUESTIONS
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
Define the gravitational field.
Write unit of the gravitational field.
What is meant by the superposition of the gravitational field?
What is the difference between gravitational potential and gravitational potential energy?
The work done by Sun on Earth in one year will be
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?
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.
An object is thrown from Earth in such a way that it reaches a point at infinity with non-zero kinetic energy `["K"."E"("r" = ∞) = 1/2 "Mv"_"∞"^2]`, with what velocity should the object be thrown from Earth?