for Yourself
What Happened?
54 Unbalanced Forces
See for Yourself
What Happened?
55 Lift Forces
See for Yourself
What Happened?
8 III: Simple Machines Introduction 56 First-Class Lever See for Yourself What Happened? 57 Equal-Arm Balance See for Yourself What Happened? 58 Second-Class Lever See for Yourself What Happened? 59 Third-Class Lever See for Yourself What Happened? 60 Just for Fun: Third-Class Lever See for Yourself What Happened? 61 Inclined Plane See for Yourself What Happened? 62 Screw See for Yourself What Happened? 63 Wedge See for Yourself What Happened? 64 Moveable Pulley See for Yourself What Happened? 65 Fixed Pulley See for Yourself What Happened? 66 Wheel and Axle See for Yourself What Happened?
9 IV: Magnets Introduction 67 Ferromagnetism See for Yourself What Happened? 68 Magnetic Field See for Yourself What Happened? 69 3-D Magnetic Field See for Yourself What Happened? 70 Mapping Magnetic Fields See for Yourself What Happened? 71 Temporary vs. Permanent Magnets See for Yourself What Happened? 72 Magnetic Permeability See for Yourself What Happened? 73 Compass Rose See for Yourself What Happened? 74 Floating Compass See for Yourself What Happened? 75 Magnetic Declination See for Yourself What Happened? 76 Electromagnet See for Yourself What Happened? 77 Right-Hand Rule See for Yourself What Happened? 78 Demagnetization See for Yourself What Happened? 79 Dipping Needle See for Yourself What Happened? 80 Magnetic Energy See for Yourself What Happened?
