PHYS 104 1st Edition Lecture 4 Outline of Last Lecture I. Guest Lecture Tyson Henricka. Flight forcesII. Forcesa. Push and Pullb. Vectorsc. Gravitational Forced. Normal ForceIII. Newtona. First lawb. Third lawOutline of Current Lecture IV. Position and Coordinate Systema. DynamicsV. DisplacementVI. VelocityVII. Newton’s Second Lawa. ExampleCurrent Lecture- Position and Coordinate Systemo X hat tells us what directiono Dynamics describe forces.o Mechanics describe what?- Displacemento Change in positiono Final – initial = displacement- Velocity o Rate of changeo Includes magnitude and directiono Removing air from a metal track Removes friction Demonstration Learning Catalytic Question- Newton’s Second LawThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.o Fan acts as a constanto F = mao F = sum of all forceso Cart forces Gravity Normal Fan acting on the carto Example Ball in the air- Gravity- Air resistance- Acceleration-
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