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what is machine
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Machine, device, having a unique purpose, that augments or replaces human or animal effort for the accomplishment of physical tasks. This broad category encompasses such simple devices as the inclined plane, lever, wedge, wheel and axle, pulley, and screw (the so-called simple machines) as well as such complex mechanical systems as the modern automobile.
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Machine is a thing which reduces human effort and makes work easy to do. It also reduces labour it also increases the efficiency of the work. It also makes the work more accurate. This is the simple definition.
And by book the definition of machine is
A machine is a tool containing one or more parts that uses energy to perform an intended action. Machines are usually powered by chemical, thermal, or electrical means, and are often motorised.
A simple machine is a device that simply transforms the direction or magnitude of a force, but a large number of more complex machines exist. Examples include vehicles, electronic systems, molecular machines, computers, television, and radio.
example
The word machine has many different meanings, but it is most frequently used to describe a device or piece of equipment with several moving parts that uses power from a source like electricity or gas to do a particular job.
Machines can be simple, like a lever or pulley, or they can be more complex, like a computer or an automobile. The main purpose of a machine is to make things easier for people, like lifting and moving heavy objects around, working out a mathematical equation or even ordering food from a restaurant. These days, it’s practically impossible to get through the day without using a machine of one variety or another!
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