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Questions and Answers
What is the universal law of gravitation?
What is the universal law of gravitation?
- The force of attraction between two objects is directly proportional to the square of the distance between their centers and inversely proportional to the product of their masses.
- The force of attraction between two objects is directly proportional to the sum of their masses and inversely proportional to the distance between their centers.
- The force of attraction between two objects is directly proportional to the cube of the distance between their centers and inversely proportional to the product of their masses.
- The force of attraction between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers. (correct)
What happens to the gravitational force between two objects if the distance between them is doubled?
What happens to the gravitational force between two objects if the distance between them is doubled?
- It becomes one-fourth of the original force. (correct)
- It remains the same.
- It becomes half of the original force.
- It becomes one-sixteenth of the original force.
What is the acceleration due to gravity at the surface of the Earth?
What is the acceleration due to gravity at the surface of the Earth?
- 10.00 m/s^2
- 9.00 m/s^2
- 9.81 m/s^2 (correct)
- 9.50 m/s^2
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