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Falling satellite.

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Got a question about Student Finance? Ask the experts this week on TSR! 14-09-2014
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    A satellite orbits the Earth once every 120 minutes.
    The satellite is in a state of free fall. What is meant by the term free fall? How can the height of the satellite stay constant if the satellite is in free fall? [3 marks]

    So is this correct:

    Free-fall: when the only force acting on an object is the gravitational force
    - as the force is acting ppd to direction of motion, no work is done on the satellite
    - the satellite moves in a circle at a constant speed
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Updated: June 10, 2012
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