P6- Orbital radius 0.0 / 5 ? PhysicsEarth in spaceGCSEAQA Created by: 2020gcses!Created on: 09-01-20 20:19 What does the force of gravity do? Holds planets in their orbits 1 of 7 What satellites are man-made? Artificial 2 of 7 What does the force of gravity lead to? Change in velocity because direction changes 3 of 7 If speed of satellite increases? the radius of orbit decreases 4 of 7 Why does this happen? Cause at a higher speed, greater force of gravity needed to keep it in orbit 5 of 7 As a result of this? Satellite moves closer to Earth. Gravitational force is bigger. The satellite is stable in orbit. 6 of 7 If speed changes what else has to change? The radius of the orbit 7 of 7
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