Industrial Revolution
a machine or machine tool (such as a spinning machine or lathe) that after once being set operates automatically except for applying the power, lubricating, supplying material, and shutting off the power
Business moved out of homes to the factory.
A machine wheel is typically called a "gear." Gears are toothed wheels that mesh with each other to transmit power and motion between different parts of a machine.
Dynamometer
Output power divided by input power, for a machine, is called the machine's efficiency. It need not be mechanical energy.
Labor power refers to the power vested on the labor union by the constitution while labor refers to the productive work that is done for wages.
Gears are used to change the direction or speed of a machine. They consist of toothed wheels that mesh together to transmit power and motion.
Political Machine
A wind machine with blades is typically called a wind turbine. It is a device that converts the wind's kinetic energy into mechanical power, which can be used to generate electricity.
Simple machine helps us to increase the power and force for change.
Power
a machine applies a force of 100 newtons over a distance of 10 meters to raise a500 newtons drum 1.5 meters. what is efficiency of the machine ?