Chapter 1 Key Terms

Unit 6 Key Terms

1.______: net force of an object equals mass of object times its acceleration (p. 107) WORD BANK

2. ______: equal forces acting on an object in opposite directions (p. 106) Newton

3. ______: the overall force acting on an Newton’s 1st Law of object. (p. 105) Motion

4. ______: a net force that causes a change Newton’s 2nd Law of in an object’s motion (it will start moving, stop moving, or Motion change directions. (p. 105) Newton’s 3rd Law of 5. ______: For every action there is an Motion equal and opposite reaction. If one object exerts a force on a second object, the second object exerts a force of equal Inertia strength in the opposite direction on the first object. (p. 107)

6. ______: An object in motion wants to Mass continue in motion unless acted upon by an unbalanced force. Acceleration

7. ______: The rate at which velocity Balanced force changes (p. 104) Unbalanced force 8. ______: An object at rest will remain at rest unless acted upon by an unbalanced force, and an object Net force in motion will remain in motion unless acted on by an unbalanced force. (p. 106) Velocity 9. ______: speed in a given direction (p. 103)

10. ______: an English physicist, considered as one of the greatest and most influential scientists to have ever lived

11. ______: the amount of matter an object contains; how heavy an object is without gravity