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Question
Which of the following is responsible for keeping a satellite in orbit?
Which of the following is responsible for keeping a satellite in orbit?
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Solution
The correct options are
A centripetal force
C gravitational force of the earth
D circular motion
Gravity is a force of attraction between masses. It provides the centripetal force needed to keep a satellite in orbit around a planet, or a planet in orbit around a star such as the Sun. The motion of the moon around the earth is due to the centripetal force. The centripetal force is provided by the force of attraction of the earth. If there were no such force, the moon would pursue a uniform straight line motion.
A centripetal force
C gravitational force of the earth
D circular motion
Gravity is a force of attraction between masses. It provides the centripetal force needed to keep a satellite in orbit around a planet, or a planet in orbit around a star such as the Sun. The motion of the moon around the earth is due to the centripetal force. The centripetal force is provided by the force of attraction of the earth. If there were no such force, the moon would pursue a uniform straight line motion.
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