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Questions and Answers
According to the universal law of gravitation, the gravitational force between two bodies is directly proportional to ________.
According to the universal law of gravitation, the gravitational force between two bodies is directly proportional to ________.
- The product of their masses and the distance between them
- The product of their masses and the square of the distance between them (correct)
- The difference of their masses and the square of the distance between them
- The sum of their masses and the square of the distance between them
What is the formula to find the magnitude of the gravitational force between the earth and an object on the surface of the earth?
What is the formula to find the magnitude of the gravitational force between the earth and an object on the surface of the earth?
- $F_g = \frac{{G \cdot M_E}}{{R^2}}$
- $F_g = \frac{{G \cdot M_E \cdot m}}{{R^2}}$ (correct)
- $F_g = \frac{{M_E \cdot m}}{{R^2}}$
- $F_g = \frac{{G \cdot M_E \cdot m}}{{R}}$
What does the universal law of gravitation state?
What does the universal law of gravitation state?
- Gravity only exists on Earth.
- Only large bodies attract smaller bodies.
- Gravity is caused by the rotation of the Earth.
- Every body in the universe attracts every other body by virtue of its mass. (correct)
What is the universal gravitational constant denoted by?
What is the universal gravitational constant denoted by?
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What is the magnitude of the gravitational force between two bodies if their masses are doubled and the distance between them is also doubled?
What is the magnitude of the gravitational force between two bodies if their masses are doubled and the distance between them is also doubled?
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