Details Title: Astronomy Book Vocabulary Description: Chapter 1/Section 2 Total Flash Cards: 7 Created: 09/01/2008 07:32:18		New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE. Existing Users: CLICK HERE. Additional Astronomy Flashcards
Cards in this set: Term force Definition a push or a pull exerted on an object Term gravity Definition the attractive force between objects; its strength depends on their masses and the distance between them Term law of universal gravitation Definition the scientific law that states that every object in the universe attracts every other object Term mass Definition the amount of matter in an object Term weight Definition the force of gravity on an object Term inertia Definition the tendency of an object to resist a change in motion Term Newton's first law of motion Definition the scientific law that states that an object at rest will stay at rest and an object in motion will stay in motion with a constant speed and direction unless acted on by a force