Example image of eyePlorer eyePlorer map for 'Inclined plane': Simple machine Mechanical advantage Trigonometric functions Conservation of energy Friction Mechanical energy Ramp Truck Siege Chute (gravity) Euclidean vector Gravitation Human Normal force Slide Cone Funnel Hopper Pyramid Free fall Water slide Roller coaster Bobsleigh Luge Skiing Sledding Blade Knife Axes Chisel Plane (tool) Plough Scissors Shears Crusher Saw Wedge Momentum Obelisk building technology in ancient Egypt Drill Archimedes' screw Drill bit Helix Archimedes Torque Water wheel Sail Windmill Drag Vortex