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Questions and Answers
What is the value of acceleration due to gravity near the surface of the Earth?
What is the value of acceleration due to gravity near the surface of the Earth?
- 7.2 m/s²
- 10.0 m/s²
- 9.8 m/s² (correct)
- 8.0 m/s²
What does Newton's law of gravitation state?
What does Newton's law of gravitation state?
- The force of attraction between two point masses is inversely proportional to the square of the distance between their centers.
- The force of attraction between two point masses is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers. (correct)
- The force of attraction between two point masses is directly proportional to the square of the distance between their centers.
- The force of attraction between two point masses is inversely proportional to the product of their masses and directly proportional to the square of the distance between their centers.
What is the SI unit of gravitational constant (G) in the formula for Newton's law of universal gravitation?
What is the SI unit of gravitational constant (G) in the formula for Newton's law of universal gravitation?
- Watt
- m/s²
- Joule
- N m²/kg² (correct)
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