MACHINES & STRUCTURES MACHINES A machine is something that helps us to do a work with less effort.
STRUCTURES
SIMPLE MACHINES: 1.-WHEEL & AXLE. 2.- LEVER 3.- SCREW. 4.- INCLINED PLANE 5.- PULLEY 6.- WEDGE COMPLEX MACHINES: 1.- CASING 2.- MOTOR. 3.- CIRCUITS. 4.- SENSORS / SCREENS. 5.- MECHANICAL ELEMENTS: A.- GEARS. B.- RACK & PINION C.- CHAIN DRIVE.
TOOLS: 1.- HAND TOOLS. 2.- POWER TOOLS.
TYPES OF STRUCTURES: 1.- NATURAL STRUCTURES. 2.- ARTIFICIAL STRUCTURES.
PARTS OF STRUCTURES: 1.- FOUNDATIONS. 2.- PILLARS. 3.- BEAMS & GIRDERS. 4.- ARCH, STAIRCASE…
TECHNOLOGICAL ADVANCES