EASY
JEE Advanced
IMPORTANT
Earn 100

An astronaut, inside an earth satellite, experiences weightlessness because
(a)no external force is acting on him
(b)he is falling freely
(c)no reaction is exerted by the floor of the satellite
(d)he is far away from the earth's surface

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Important Questions on Gravitation
HARD
JEE Advanced
IMPORTANT
Choose the incorrect statements from the following:

EASY
JEE Advanced
IMPORTANT
A satellite is orbiting the earth. If it's distance from the earth is increased, then:

MEDIUM
JEE Advanced
IMPORTANT
Which of the following are correct?

MEDIUM
JEE Advanced
IMPORTANT
Which of the following are correct?

HARD
JEE Advanced
IMPORTANT
Consider a planet moving in an elliptical orbit round the sun. The work done on the planet by the gravitational force of the sun is

MEDIUM
JEE Advanced
IMPORTANT
Which of the following statements are true about acceleration due to gravity?

EASY
JEE Advanced
IMPORTANT
Let and denote the gravitational potential and gravitational field at a point, respectively. It is possible to have:

HARD
JEE Advanced
IMPORTANT
If a body is projected with speed lesser than escape velocity:
