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- 1. Multiple Choice
Kepler's first law states that
the orbits of the planets are elliptical.
the speed of a planet's orbit varies depending on which part of the ellipse it is occupying
the square of the ratio of the periods of any two planets revolving around the Sun is equal to the cube of the ratio of their average distance from the Sun.
objects attract other objects with a force that is directly proportional to the product of their masses, and inversely proportional to the square of the distance between them.
- 2. Multiple Choice
Kepler's second law states that
the orbits of the planets are elliptical.
the speed of a planet's orbit varies depending on which part of the ellipse it is occupying
the square of the ratio of the periods of any two planets revolving around the Sun is equal to the cube of the ratio of their average distance from the Sun.
objects attract other objects with a force that is directly proportional to the product of their masses, and inversely proportional to the square of the distance between them.
- 3. Multiple Choice
Kepler's third law states that
the orbits of the planets are elliptical.
the speed of a planet's orbit varies depending on which part of the ellipse it is occupying
the square of the ratio of the periods of any two planets revolving around the Sun is equal to the cube of the ratio of their average distance from the Sun.
objects attract other objects with a force that is directly proportional to the product of their masses, and inversely proportional to the square of the distance between them.
- 4. Multiple Choice
Newton's law of universal gravitation states that
the orbits of the planets are elliptical.
the speed of a planet's orbit varies depending on which part of the ellipse it is occupying
the square of the ratio of the periods of any two planets revolving around the Sun is equal to the cube of the ratio of their average distance from the Sun.
objects attract other objects with a force that is directly proportional to the product of their masses, and inversely proportional to the square of the distance between them.
- 5. Multiple Choice
Gravity is what type of force?
field force
contact force
normal force
frictional force
- 6. Multiple Choice
A black hole is
an object so diffuse that light leaving it is bent totally back to center of the universe.
an object so diffuse that light approaching it is blocked from view.
an object so massive that light leaving it is bent totally back to the nearest star.
an object so massive that light leaving it is bent totally back to the object
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