Below are the materials for Unit 4 - Forces and Newton's Laws. Additional materials will be added as we move through the unit.

YouTube Videos for each section of the notes:

Section I - III: Statics, Forces, and Sum of Forces Acting on an Object

Section IV: Algebraic Method of Finding the Resultant/Equilibrant

Section V: Graphical Method of Finding the Resultant/Equilibrant 

Section VI: Mass vs Weight

Section VII: Newton's First Law of Motion

Section VIII: Normal Force and Free Body Diagrams

Section IX: Newton's 2nd Law of Motion

Section X: Apparent Weight

Section XI: Change in "Weight" in an Elevator

Section XII: Newton's Third Law of Motion

Section XIII: Friction

Section XIIIA: Static Friction

Section XIIIB: Kinetic Friction

Section XIV: Object on a Ramp

Section XIV: Object on a Ramp Example Problem