Lecture01

Welcome to Physics 101! Lecture 01: Introduction to Forces http://online.physics.uiuc.edu/courses/phys101 “ I'm hoping the class is explained well and is graded easily.” “ I am very excited about taking Physics 101!” “ I look forward to the demos” “ Nervous” “Anxious” “Apprehensive” “ I am excited to learn about something other than biology.” “ worried about the math”

Physics 101 covers… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Meet the Lecturer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Course Format (upward) Spiral Learning ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],1000

Grading Scale ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],“ My goal is to receive an A…”

Reading & Lecture Preflight ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

P101 Lectures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],“ I’m looking forward to a fun … semester”

P101 Homework ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

P101 Labs ,[object Object],[object Object],[object Object],[object Object],“ I'm looking forward to the labs because I learn better with hands-on activities.”

Discussion Sections ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Physics Philosophy ,[object Object],[object Object],[object Object],[object Object],[object Object]

Newton’s Laws of Motion ,[object Object],[object Object],[object Object]

Forces in P101 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example Weight of Object ,[object Object],[object Object],[object Object],[object Object]

Gravitational ACT ,[object Object],[object Object],[object Object],[object Object],F = G M m / r 2 = (6.7x10-11 m 3 / (kg s 2 ) ) (6x10 24 kg ) (3 kg )/ (6.4x10 6 + 10) 2 m 2 = 29.4 kg m/s 2 Near surface of earth r = 6.4x10 6 m |F| = m (G M /r 2 ) = m (9.8 m/s 2 )

Contact Forces: Friction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Free Body Diagrams ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Physics y x

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

To Do ,[object Object],[object Object],[object Object],[object Object]

Lecture01

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Lecture01

Editor's Notes