H2P-57
Work done
H2 Physics · JC 1 · Medium · Work done
A satellite of mass 800 kg moves in a perfectly circular orbit around Earth at constant speed. The gravitational force on the satellite is always directed towards the centre of the orbit. How much work does gravity do on the satellite as it completes one full orbit?
- 0 J
- 800 J
- 8000 J
- Depends on the orbital radius
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