Science CH 11 lesson 2
Chris Najera
Newton's law of universal gravitation
Newton's explanation changed the ways in which scientist viewed the solar system. His findings explained the moon's orbit around the sun and earth around the sun.
1st law
Ex:A book will stay where last put it unless someone moves it.
2nd law
Ex: If you throw a heavy rock and a football the football will go farther.
3rd law
Ex: Bowling balls are lined up and you roll another ball and the first on would be moving.
Weightlessness
State of being detectable weight. But gravity still pulls them down toward the center of earth's mass.