2. ROTAIONAL MOTION AND GRAVITATION Flashcards
1
Q
Kepler’s first law is known law of _______. ?
A
Ellips
2
Q
Once a satellite has been launched into orbit, the only force governing its motion is the force of ______ .
A
gravity
3
Q
Which of the following helps keep earth’s atmosphere in place?
A
Gravitational force of earth
4
Q
What is the value of g? (g stands for acceleration due to gravitational force of the earth)
A
9.8 m/s2
5
Q
Which instrument was used to
detect gravitational waves for the very
first time?
A
LIGO
6
Q
Which among the following is an ‘action-at-a-distance’ force?
A
Gravitation
