Exam-style question
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How does gravitational field strength change with distance from the center of a planet?.
- A.It increases as you move away from the planet.
- B.It decreases as you move away from the planet.
- C.It remains constant regardless of distance.
- D.It fluctuates randomly.
Model answer
What a good answer should say
- It decreases as you move away from the planet.
Explanation
Why this works
Gravitational field strength decreases with the square of the distance from the center of the mass creating the field, as described by Newton's law of gravitation. This inverse-square relationship means that as distance increases, gravitational field strength decreases.
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