Exam-style question
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What does a gravitational field strength graph with a curve indicate about the gravitational field?.
- A.The field strength is uniform
- B.The field strength varies with distance
- C.The field strength is zero
- D.The field strength is constant
Model answer
What a good answer should say
- The field strength varies with distance
Explanation
Why this works
The evidence shows that a curved graph indicates that the gravitational field strength changes as the distance from the mass changes. This implies that the gravitational force is not constant, leading to the conclusion that the field strength varies with distance.
Common mistake
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