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With Newton's law of motion, he proved that the force of gravity-combined with the tendency of a planet to remain in a straight-line motion- results in the elliptical orbits discovered by Kepler. Earth, for example, moves forward in its orbit about 30 kilometers (18.5 miles) each second, and during the same second, the force of gravity pulls it toward the Sun about 0.5 centimeters (1/8 inch). Therefore, as Newton concluded, it is the combination of Earth's forward motion and its "falling" motion that defines its orbit. If gravity were somehow eliminated, Earth would move in a straight line out into space. Conversely, if Earth's forward motion suddenly stopped, gravity would pull it directly to the Sun.

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Newton learned that the orbits of planets are the result of what two forces?

Newton learned that the orbits of planets are the result of the gravitational force between the planet and the Sun, which causes the planet to move in an elliptical orbit, and the planet's inertia, which causes it to continue moving in a straight line.


How could newton's first law of motion explain that a force is acting between the sun and its planets?

If no force, the planets would move in a straight line, not in a orbit around the sun.


How is Newton's law of gravity related to the movement of the planets?

How is Newton's law of gravity related to the movement of the planets?


What is the relation between newton law and palantry motion?

Newton's laws of motion describe how objects move in response to external forces, while planetary motion refers to the motion of planets in space under the influence of gravitational forces. Newton's law of universal gravitation helps explain the motion of planets in their orbits around the sun by describing the gravitational attraction between celestial bodies.


How did newton use observations of nature to explain the movement of the planets?

He once saw an apple falling from a tree, and he wondered whether the force that pulled that apple to earth might also control the movements of planets. In the next 2o years, Newton perfected his theory. Using mathematics, he showed that a single force keeps the planets in their orbit around the sun. He called this force gravity (:


How did Newton use observations of nature to explain the movements of the planets?

He once saw an apple falling from a tree, and he wondered whether the force that pulled that apple to earth might also control the movements of planets. In the next 2o years, Newton perfected his theory. Using mathematics, he showed that a single force keeps the planets in their orbit around the sun. He called this force gravity (:


How did newton use observations of nature to explain the movements of planets?

He once saw an apple falling from a tree, and he wondered whether the force that pulled that apple to earth might also control the movements of planets. In the next 2o years, Newton perfected his theory. Using mathematics, he showed that a single force keeps the planets in their orbit around the sun. He called this force gravity (:


Who determined the force that kept planets in orbit?

It was Isaac Newton who figured out that the force of gravity keeps planets in orbit around the sun.


Who did newton explain the orbit of the planet?

Isaac Newton explained the orbit of planets through his law of universal gravitation, which posits that every mass attracts every other mass with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between their centers. He demonstrated that the gravitational force between the Earth and the Moon, for example, could explain the elliptical orbits of planets around the Sun, as described by Kepler's laws of planetary motion. Newton's work laid the foundation for classical mechanics and revolutionized our understanding of celestial motion.


What is the first thing about planets that newton proved mathemaically?

newton searched high and low with his telescope


What did Newton propose holds the planets up?

people


What is the results of two actions that newton learned?

That a body in motion (or at rest) would continue to so be until it was acted on by a force. That it was a good job to be in charge of the country's money. He was the Master of the Mint. There are more.