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Chapter 5 Machines - Coggle Diagram
Chapter 5 Machines
Machines help people do work
Machines change the way force is applied
Machine - any device that helps do work
Changing size and distance
Changing direction
Mechanical advantage of a machiine
Work transfers energy
Energy
Work
Six simple machines have many uses
Output work is always less than input work
Efficiency - is the ratio of its output work to the input work
Efficiency and energy
Increasing efficiency
Wheel and axle
Wheel and axle - a wheel attached to a shaft or axle
Pulley
pulley - a wheel with a grooved rim and a rope or cable that rides the groove
Inclined plane
inclined plane - a machine that is a sloping surface
Wedge
Wedge - a machine with a thick end and a thin end
Screw
Screw - an inclined plane rapped around a cylinder or cone to form a spiral
The mechanical advantage of a machine can be calculated
Modern Technology uses compound machines
Compound machines are combinations of simple machines
Compound machines - a machine made of two or more simple machines
Gears
Mechanical advantages of compound machines
Modern technology creates new uses for machines
Microtechnology and nanotechnology
Nanotechnology - the science and technology of building electronic circuits and devices from single atoms and molicules
Robots
robot - a machine that works automatically or with a remote