Exam-style question
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How does gravitational field strength change with distance from a mass?.
- A.It increases as the distance increases.
- B.It decreases as the distance increases.
- C.It remains constant regardless of distance.
- D.It fluctuates randomly with distance.
Model answer
What a good answer should say
- It decreases as the distance increases.
Explanation
Why this works
Gravitational field strength decreases with increasing distance from a mass due to the inverse-square law, which states that the strength of the gravitational field is inversely proportional to the square of the distance from the mass. This concept is fundamental in understanding how gravitational interactions weaken with distance, which is crucial for analyzing orbits and other gravitational phenomena.
Common mistake
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