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Praxis II Physics Content Knowledge Exam Prep

Category - Praxis II Physics Content Knowledge Test Prep

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Which of the following statements best describes the force of Earth’s gravity on a rocket moving upward?
  1. The gravitational force is constant for all altitudes.
  2. The gravitational force is weaker when the rocket is higher.
  3. The gravitational force is stronger when the rocket is higher.
  4. The gravitational force is zero when the altitude is greater than 10,000 miles.
Explanation
Answer: B - The gravitational force is weaker when the rocket is higher.
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