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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