Tuesday, February 5, 2013

Chapter 4.2 Notes


How did Newton change our view of the universe?
            He realized the same physical laws that operate on earth also operate in the heavens.
            He discovered laws of motions and gravity.
            Much more: Experiments with light; first reflecting telescope, calculus
What are Newton’s three laws of motion?
1. An object moves at constant velocity unless a net force acts to change its speed or   direction.
2. Force= mass x acceleration.
3. For every force, there is always an equal and opposite reaction force.