1. the study of the causes of motion Newton's Second Law 2. an object at rest remains at rest if no net force acts on it inertial mass 3. surrounds every object; large around large object dynamics 4. the relationship , for example gravitational force 5. 9.8 m/s2 impulse 6. the product of mass and velocity gravitational field 7. what all masses exert on other masses Newton's First Law 8. Inverse Square Law 9. acceleration is proportional to force momentum 10. the product of force and time acceleration due to gravity