Which statement is true about the motion of planets? The motion from a planet's rotation causes the planet to move forward. Forces in space prevent the planets from moving. Gravitational force between the sun and planet cause an elliptical orbit. Internal forces from the planets keep the planets moving.

Answer: The answer is Gravitational force between the sun and planet cause an elliptical orbit

Explanation: I took the test and got a 40 because of the person who answered this question and said it was D

The motion of the planets occur due to the Gravitational force between the sun and planet cause an elliptical orbit.

When an object spins in its own axis, this phenomenon is known as Rotation. This is totally different from the revolution phenomenon, in that object's orbital motion around another object.

Rotation of the Earth occurs on its axis with the time of every 24 hours which is known as Solar time. Earth's inclination on its axis is 23.45 degrees from the plane of its orbit around the Sun. While Revolution occurs around the sun in 365 days, 6 hours, 9 minutes with reference to the stars, at a speed ranging from 29.29 to 30.29 km/s.

Plants do not require any force to rotate. It occurs due to the conservation of angular momentum. Angular momentum is given by  [tex]L=m*w*r_^2[/tex] where m is the mass, w is the angular velocity in radians per second, and r is the radius of the circular motion.

Thus, the motion of the planets occur due to the Gravitational force between the sun and planet cause an elliptical orbit.

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