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# Newton's Laws

### Review the Laws of Motion!

Force "A push or a pull" (Houghton Mifflin Harcourt, 2015, p.30) .
Inertia "The tendency of an object to resist a change in motion unless an outside force acts on the object" (Houghton Mifflin Harcourt, 2015, p. R51).
Motion "An object's change in position relative to a reference point" (Houghton Mifflin Harcourt, 2015, p. R52).
Balanced Force When forces are balanced on the object at rest it will not move. An object already moving will continue to move steadily (Houghton Mifflin Harcourt, 2015).
Unbalanced Force When forces cause the object to change its speed and/or direction (Houghton Mifflin Harcourt, 2015).
Force Pairs "Whenever one objects exerts a force on a second object, the second object exerts an equal and opposite force on the first" (Houghton Mifflin Harcourt, 2015, p.38).
Newton's First Law of Motion "Objects at rest will stay at rest and objects in motion will stay in motion unless acted upon by an outside force" (Houghton Mifflin Harcourt, 2015, p. 34).
Newton's Second Law of Motion The more mass an object has, the more force will be required to accelerate it (Houghton Mifflin Harcourt, 2015).
Newton's Third Law of Motion "Whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first" (Houghton Mifflin Harcourt, 2015, p. 28).
Acceleration "The rate at which velocity changes over time" (Houghton Mifflin Harcourt, 2015, p. R50).
Created by: rsudock