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Questions and Answers
What does Newton's law of universal gravitation state?
What does Newton's law of universal gravitation state?
- Gravity potential is solely determined by the masses of two bodies
- Any two bodies in the universe, possessing mass, exert gravitational attraction on each other (correct)
- The gravitational force is directly proportional to the square of the distance between two bodies
- The gravitational constant is dependent on the mass of the attracting body
What is the force used to represent the attractive force between two bodies?
What is the force used to represent the attractive force between two bodies?
- m
- F (correct)
- G
- r
What does the geoid represent?
What does the geoid represent?
- The reference ellipsoid of the Earth
- The mathematical shape of the Earth
- The gravitational potential of the Earth
- The physical shape of the Earth (correct)
How is a reference ellipsoid different from the geoid?
How is a reference ellipsoid different from the geoid?
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Which mass is referred to as the attracting mass in geodesy?
Which mass is referred to as the attracting mass in geodesy?
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