PRESENTATION OUTLINE
SIMPLE MACHINES BY DELVIN CORNELIUS WILLIAM PAYTON JR
A PULLEY IS A WHEEL ON AN AXLE OR SHAFT THAT IS DESIGNED TO SUPPORT MOVEMENT AND CHANGE OF DIRECTION OF A CABLE OR BELT ALONG ITS CIRCUMFERENCE.
THE WHEEL AND AXLE IS ONE OF SIX SIMPLE MACHINES IDENTIFIED BY RENAISSANCE SCIENTISTS DRAWING FROM GREEK TEXTS ON TECHNOLOGY.
AN INCLINED PLANE, ALSO KNOWN AS A RAMP, IS A FLAT SUPPORTING SURFACE TILTED AT AN ANGLE
A WEDGE IS A PIECE OF WOOD, METAL, OR SOME OTHER MATERIAL HAVING ONE THICK END AND TAPERING TO A THIN EDGE, THAT IS DRIVEN BETWEEN TWO OBJECTS OR PARTS OF AN OBJECT TO SECURE OR SEPARATE THEM.
A SCREW IS A SIMPLE MACHINE OF THE INCLINED PLANE TYPE CONSISTING OF A SPIRALLY GROOVED SOLID CYLINDER AND A CORRESPONDINGLY GROOVED HOLLOW CYLINDER INTO WHICH IT FITS
THESE ARE THE SIMPLE MACHINES
