Gravity and Motion Answers

The force that contributed to the formation of planets, determines the motion of bodies in the solar system, and pulls objects to the center of Earth is called . Newton’s first law of motion states that an object at rest will stay at rest unless a force acts on it. It also states that an object in motion will stay in motion unless a force acts on the object. Newton’s first law of motion is also known as the law of .

An object’s will remain constant throughout the universe, but its can change from planet to planet. If you increase the mass of a planet, what happens to its gravity? If the gravity on a planet decreases, what happens to the weight of an object on that planet?

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