1. I. Newton’s Laws of Motion
Motion & Forces
I. Newton’s Laws of Motion

2. Newton’s First Law Newton’s First Law of Motion
An object at rest will remain at _________and an object in motion will continue moving at a constant velocity unless acted upon by a net _______.
Also called the Law of _______.
rest
Force
Inertia

3. What is Inertia? Object’s resistance to changing position

4. a m F = ___ x ___ Newton’s Second Law Newton’s Second Law of Motion
The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its ________.
mass a m
F = ___ x ___

5. Newton’s Third Law Newton’s Third Law of Motion*
07/16/96
Newton’s Third Law
Newton’s Third Law of Motion
When one object exerts a force on a second object, the second object exerts an ______ but __________ force on the first.
equal
opposite *

6. Which Law????
A VW beetle stopped at a red light lunches forward when a SUV strikes it from behind.
As the large dog jumps from the boat to the pier, the boat floats in the opposite direction.
In football running backs are generally smaller than tackles and guards because the use their lighter mass to get to the outside of the line.
Race cars are built of light weight materials for greater acceleration during racing.
During a wreck the man lunged forward toward the windshield until his progress was halted by the air bag.

7. http://www. youtube. com/watch