Exam-style question
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What is the definition of gravitational potential in a field?.
- A.The work done per unit mass to move an object from infinity to a point in the field
- B.The force experienced by a unit mass placed in the field
- C.The energy required to lift an object against gravity
- D.The distance from the center of a mass to a point in the field
Model answer
What a good answer should say
- The work done per unit mass to move an object from infinity to a point in the field
Explanation
Why this works
Gravitational potential is defined as the work done per unit mass to move an object from a point at infinity to a point in the gravitational field. This definition is fundamental in understanding how gravitational fields operate.
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