Exam-style question
Try this first
How does gravitational field strength change with distance from a mass?.
- A.It increases linearly with distance
- B.It decreases with the square of the distance
- C.It remains constant regardless of distance
- D.It increases exponentially with distance
Model answer
What a good answer should say
- It decreases with the square of the distance
Explanation
Why this works
According to Newton's law of gravitation, gravitational field strength decreases with the square of the distance from the mass, which is why the correct option is that it decreases with the square of the distance.
Common mistake
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