1. Where do polar orbits orbit and how long does it take?
- Above the poles + 90 minutes
- Above the equator + 24 hours
- Above the equator + 90 minutes
- Above the poles + 24 hours
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Other questions in this quiz
2. If a ball is thrown horizontally what force is not present?
- Air resistance
- Horizontal force
- Vertical force
3. Why is the orbit time less for a planet close to the sun?
- The centripetal force is large
- Travels a longer distance+small gravitational force
- Travels a shorter distance+travels faster because of a greater gravitational force
- It accelerates
4. Which of these is incorrect about action and reaction forces?
- Act on different objects
- Same in direction
- Opposite in direction
- Equal in magnitude (size)
5. What happens to momentum in a collision?
- It is gained
- It is transeffred
- It is conserved
- It is lost
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