Exam-style question
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What does a gravitational potential graph indicate about the energy changes as a mass moves within a gravitational field?.
Model answer
What a good answer should say
- A gravitational potential graph shows how gravitational potential energy changes with position in a gravitational field.
- As the mass moves closer to the source of the gravitational field, the potential energy decreases, indicating that work is done on the mass by the gravitational force.
Explanation
Why this works
This answer is strong because it accurately describes the relationship between gravitational potential and energy changes, which is the focus of the learning objective. It tests the understanding of how gravitational potential relates to energy in a field.
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