Orbital Motions Practice Questions
Question 1
Q1. Knowledge Recall (1 mark)
Define the term "orbit".
Question 2
Q2. Knowledge Recall (1 mark)
State which object in the solar system is the primary focus of this topic.
Question 3
Q3. Application (2 marks)
Explain why the Moon is constantly moving.
Question 4
Q4. Knowledge Recall (1 mark)
Name the shape of the Moon's orbit around Earth.
Question 5
Q5. Application (2 marks)
Describe how the Moon's orbit affects the tides on Earth.
Question 6
Q6. Knowledge Recall (2 marks)
Define the term "centripetal force".
Question 7
Q7. Knowledge Recall (2 marks)
State Newton's law that explains centripetal force.
Question 8
Q8. Calculations (3 marks)
If a satellite has a mass of 200 kg and travels in a circular orbit with a radius of 6000 km, calculate its centripetal force. (Gravitational constant G = 6.67 x 10^-11 N m^2 kg^-2)
Question 9
Q9. Application (2 marks)
Explain why satellites are often placed in geostationary orbits.
Question 10
Q10. Knowledge Recall (1 mark)
Name one application of satellites that utilize orbital motions.