College Physics Chapter 4

P'Cast 4-1 Small but forceful
P'Cast 4-3 Let Sleeping Cats Lie
P'Cast 4-4 What's the Angle?
P'Cast 4-7 How to "Lose Weight" the Easy Way
P'Cast 4-10 Down the Slopes

Balloon Art Concept Check Net external force on an object (4-1)
Balloon Art Concept Check Newton's second law of motion (4-2)
Balloon Art Concept Check Newton's second law, alternative form (4-3)
Balloon Art Concept Check Newton's second law in component form (4-4)
Balloon Art Concept Check Weight of an object of mass M (4-5)
Balloon Art Concept Check Newton's first law of motion (4-6)
Balloon Art Concept Check Newton's third law of motion (4-7)

Math Tutorial-1 Significant Figures
Math Tutorial-2 Equations
Math Tutorial-3 Direct and Inverse Proportions
Math Tutorial-4 Linear Equations
Math Tutorial-5 Quadratic Equations and Factoring
Math Tutorial-6 Exponents and Logarithms
Math Tutorial-7 Geometry
Math Tutorial-8 Trigonometry
Math Tutorial-9 The Dot Product
Math Tutorial-10 The Cross Product