Exam-style question
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In the freefall method, what is the primary factor that affects the accuracy of the measurement of g?.
- A.The height from which the object is dropped.
- B.The time measurement accuracy.
- C.The mass of the object.
- D.The shape of the object.
Model answer
What a good answer should say
- The time measurement accuracy.
Explanation
Why this works
The accuracy of the time measurement directly affects the calculation of g. Any error in timing will lead to an incorrect value for the acceleration due to gravity, making it the primary factor in the accuracy of the measurement.
Common mistake
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