Unit 02: Forces and Newton's Laws
Chapter 5 and 6 in https://openstax.org/details/books/university-physics-volume-1
Includes .... Newton's Laws, Applications of Forces, Equilibrium/Statics, Dynamics
Unit Objectives (what you should end up knowing)
Class Notes
Types of Forces
Gravity
Unit 2B Summary
Lecture Videos (marked items should be watched, in the numbered groups)
Video Tutorials from Mr. Maloney
[1] Newton's 3rd Law (U2AMEM2-1)
[2] Types of Forces (U2AMEM2-2)
Mass Weight and Gravitation (U2AMEM2-3)
Video Tutorials from DocPhysics
[1] Newton's 3rd Law (U2ADP-1)
[1] Common Misconceptions about Newton's 3rd Law (U2ADP-2)
[2] Newton's 1st Law (U2ADP-4)
[2] What does net force Do? (U2ADP-5)
[3] Free Body Diagrams (U2ADP-6)
[5] Using Newton's 2nd Law to Solve Problems (U2ADP-7)
iLectureOnline
[1] Newton's 3rd Law (U2AiLO-1)
[2] Newton's 1st Law (U2AiLO-2)
[2] Newton's 2nd Law (U2AiLO-3)
[3] Free Body Diagrams (U2AiLO-4)
Friction
[4] [What is Friction 1] (U2AiLO-5)
[4] [Friction Coefficient 2] (U2AiLO-6)
[4] [What is the Friction Force 3] (U2AiLO-7)
[4] [Friction Graphically 4] (U2AiLO-8)
[4] Kinetic and Static Friction (U2AiLO-8)
Tension (U2AiLO-9)
Weight (U2AiLO-10)
Video Tutorials from APlus Physics
[2] Newton's 1st Law of Motion (U2APP-1)
[3] Free Body Diagrams (U2APP-2)
[2] Newton's 2nd Law of Motion (U2APP-3)
[4] Elevators (U2APP-4)
[1] Newton's 3rd Law of Motion (U2APP-5)
[4] Friction (U2APP-6)
[5] Ramps and Inclines (U2APP-7)
Atwood Machines (U2APP-8)
Air Resistance (U2APP-9
Retarding and Drag Forces (U2APP-10)
Video Tutorials from Duffy @ BU
[1] Intro to Force (U2ADUF-1)
[3] Free Body Diagrams (U2ADUF-2)
Crash Course
[2] Newton's Laws: Crash Course Physics #5 (U2CC-1)
[4] Friction: Crash Course Physics #6 (U2CC-2)
Sample Problem Solving Videos
[4] Simple force problem (U2MMPS-1)
[4] Solving Friction Coefficient Problems [example I] [example II] (U2MMPS-2)
[4] Spring Force Problems [example 1] [example 2] (U2MMPS-3)
[5] Pulling at an Angle (symbolic) (U2MMPS-4)
[5] Angled Applied Force Friction Problems [example 1] [example 2] (U2MMPS-5)
[5] Pulling up a Hill [example 1] (U2MMPS-6)
[5] Sliding Down a HIll (symbolic) (U2MMPS-7)
[5] Prettiest Dynamics Solution (Sliding on a Hill) (U2MMPS-8)
[6] Hanging Sign Problems [example 1] [example 2] (U2MMPS-9)
[6] 3 way tug of war (U2MMPS-10)
Cantalever Problem (U2MMPS-11)
Air Resistance with Calculus
Slowing down (U2MMPS-12)
Hitting Terminal Velocity (U2MMPS-13)
Multiple Objects
Two Blocks Hanging [with numbers] (U2MMPS-14)
Pulling Two Blocks [symbolic] [with numbers] (U2MMPS-15
Pulling Two Blocks w/friction [symbolic] [with numbers] (U2MMPS-16)
Pushing Two Blocks [symbolic] [with numbers] (U2MMPS-17)
Atwood Machine [symbolic] [with numbers] (U2MMPS-18)
Modified Atwood (mass over edge) [symbolic] [with numbers] (U2MMPS-19)
Pulley Problem [example 1] (U2MMPS-20)
Stacked Blocks with friction [with numbers]
iLectureOnline Solved Problems (they have a lot)
Unit Development (marked items are to be turned in at test time)
Lab Activities This unit has a lot of smaller activities
Virtual Gravity Lab [Lab File] [Datasheet] [link to sim]
Acceleration Lab Activity
Class Activities and Problem Solving
*Objects should be turned in at test time2.1 N3L ILE [answers]
2.2 N2L ILE [answers]
2.3 F,m,a ILE [answers]
2.4 Penguin ILE (use simulation to find answers) [simulation] [answers]
2.6 Spring Force ILE [answers] [simulation]
2.6 Equilibrium ILE (hanging sign) [answers]
2.7 Air Resistance ILE [answers] [simulation]
N2L Problem Sets (single object)
------------------------------ 2A First Test Material Over --------------------------
---- 2B Material Starts
*Example Problems Multiple Object Set [answers]
A couple extra [answers]
------------------------------ Second Test Material Over -------------------
Simulations
Extra Stuff
The Four Fundamental Forces (from SciShow)
Normal and Gravitational Force on an Incline: http://demonstrations.wolfram.com/BlockOnAFrictionlessInclinedPlane/
3 Blocks in a Row Sim: http://demonstrations.wolfram.com/TensionsBetweenAChainOfBlocks/