Finish Worksheet #1 & #2 from Free Body Diagram handout Extra Free Body Diagram practice sheet on my website! Academic - Wednesday 11/7 Turn in: Unit 3 Note Sheet/2nd Law Lab Welcome to Quarter 2! Notes Upcoming Dates Physics Fun Fact Newton’s Laws Warm Up Discuss Lab (perhaps next class) Free Body Diagrams Newton’s Laws Quiz NEXT CLASS! Homework: Finish Worksheet #1 & #2 from Free Body Diagram handout

Conceptual - Thursday 11/8 Extra Free Body Diagram practice sheet on my website! Conceptual - Thursday 11/8 Turn in: Unit 3 Note Sheet/ Welcome to Quarter 2! Notes Upcoming Dates Physics Fun Fact Newton’s Laws Warm Up Free Body Diagrams (Worksheet #1 in class) Newton’s Laws Quiz NEXT CLASS! Homework: Finish Worksheet #1 & #2 from Free Body Diagram handout

Physics Fun Fact: NASA’s Kepler

Conceptual - Thursday 11/8 Physics Fun Fact Turn in: Unit 3 Note Sheet Upcoming: Free-body diagrams Newton’s Laws Lab Toothpick Bridges

Endurance – A year in sapce https://www.youtube.com/watch?v=UwUxvzb8qm4 https://www.youtube.com/watch?v=3YfyvA8AxLw

Forces & Newton’s Laws of Motion Unit 3 Forces & Newton’s Laws of Motion

Described as a Natural Philosopher Sir Isaac Newton 1643 – 1727 England Described as a Natural Philosopher Mathematician, Physicist, Author, Astronomer. Created Calculus Founded the Laws of Motion & Law of Universal Gravitation. https://www.youtube.com/watch?v=D6_UVBAfdHA

Force A force is a push or pull acting upon an object as a result of its interaction with another object. There are a variety of types of forces. Force is a Vector quantity. Measured in Newtons [N] Types of Forces: Frictional Force Tension Force Normal Force Air Resistance Force Gravitational Force Magnetic Force Etc.

Friction Friction is the resistance to motion of one moving object relative to another. Types of Friction: Static Friction – Force that keeps an object at rest. Must be overcome to move an object Kinetic Friction: Sliding Friction – Force that resists the movement of a sliding object Rolling Friction – Force that resists the movement of a rolling object Liquid Friction – Force that resists the movement of an object through a liquid

Newton’s Laws of Motion First Law – An object in motion or at rest will remain in motion or at rest until acted on by an outside force Second Law – F = ma Third Law – For every action, there is an equal but opposite reaction

Inertia The tendency to do nothing or to remain unchanged Represented by Newton’s 1st Law of Motion https://www.youtube.com/watch?v=7 COUk5eh6jY

Free Body Diagrams Also known as Force Diagrams A universal way of notating and communicating Forces acting on an object. Net Force (Sum of Forces) – A numerical combination of all forces acting on an object.

Balanced & Unbalanced forces Balanced forces – Will NOT move an object Normal Force – Book sitting on a desk 2 students applying equal forces to opposite sides of a box Unbalanced forces – Will move an object 1 student pushing a box, accelerating it A ball falling through air