Exam-style question
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What is the relationship between gravitational force and gravitational field strength?.
- A.Gravitational force is the same as gravitational field strength.
- B.Gravitational field strength is the force per unit mass.
- C.Gravitational force is independent of mass.
- D.Gravitational field strength increases with distance.
Model answer
What a good answer should say
- Gravitational field strength is the force per unit mass.
Explanation
Why this works
Gravitational field strength is defined as the gravitational force experienced by a unit mass placed in the field, which distinguishes it from the total gravitational force between two masses.
Common mistake
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