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AP Physics

Week 5 (9/20-9/24)

Monday

Tuesday Wednesday Thursday Friday
2nd Law 2nd Law & kinematics Inclined Plane, friction Elevators, atwood machine Quiz

Chapter 4 Test on Monday 9/27

Equipment needed:  pen/pencil, scientific calculator, notebook will be needed everyday

Graph paper, ruler, protractor needed on Thursday.

Assignments:

Ch. 4 pp. 130136: Problems: due Monday 9/20
Newton's 1st Law:
1, 3, 5, 6, 11, 12, 13, 14,
Newton's 3rd Law:  37,  39, 40, 43, 44,
Friction:   68, 69, 73, 75, 76, 79, 80, 83, 87, 89

Ch. 4 pp. 131136: Problems: due Friday 9/24
Newton's 2nd Law: 19, 21, 23, 27, 29
Translational Equilibrium: 46, 47, 48, 51, 52, 53, 57, 58, 59, 60, 61,  65
Friction:  77, 79, 85, 88

Important Vocabulary:

bulletnet force, p. 100
bulletunbalanced force, p. 100
bulletinertia, p. 102
bulletnewton, p. 104
bulletweight, p. 104
bulletnormal force, p. 110
bulletAtwood machine, p. 114
bulletfree-body diagram, p. 115
bulletinclined plane, p. 118
bullettranslatory equilibrium, p. 119
bulletstatic friction, p. 121
bulletkinetic friction, p. 121
bulletsliding friction, p. 121
bulletrolling friction, p. 121
bulletcoefficient of friction, p. 122

Important Equations:

ΣF = ma (Newton's 2nd Law)

Ff = μFN (definition of Friction)

Pythagorean theorem diagramequation
images from The Physics Classroom

Useful links:     AP Yearly Schedule
                            Your textbook companion site,
                            Physics Classroom: Newton's Laws
                            Physics Classroom:  Vectors
                            Play with Inclined planes in Java
                            Play with projectiles in Java
                            Vector Addition Practice
                            Free-body diagrams practice
                            Pasco 2nd Law experiment