1.
Assertion (A): Astronauts appear weightless inside an orbiting satellite. Reason (R): Both the astronaut and the satellite are in the same state of free fall.
2.
Assertion (A): The mass of a satellite does not affect its orbital speed. Reason (R): Gravitational acceleration is independent of the satellite's mass.
4.
The value of g inside the Earth (assuming uniform density)
5.
The orbital speed of a satellite decreases when
6.
The gravitational potential energy of two attracting masses is
7.
The period of a geostationary satellite is
8.
A satellite in a lower orbit has
9.
The work done by gravity in moving a body between two points depends on
10.
A geostationary satellite always remains above
11.
Which quantity remains constant for a planet moving around the Sun?
Leave a Reply