Machine Definition & Meaning - Merriam-Webster
网页The meaning of MACHINE is a mechanically, electrically, or electronically operated device for performing a task. How to use machine in a sentence.
Machine | Definition, Mechanisms & Efficiency | Britannica
网页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.
MACHINE Definition & Meaning | Dictionary.com
网页Machine definition: an apparatus consisting of interrelated parts with separate functions, used in the performance of some kind of work. See examples of MACHINE used in a sentence.
Machine - Wikipedia
网页A machine is a physical system that uses power to apply forces and control movement to perform an action. The term is commonly applied to artificial devices, such as those employing engines or motors, but also to natural biological macromolecules, such as molecular machines.
Simple machine | Definition, Types, Examples, List, & Facts
网页simple machine, any of several devices with few or no moving parts that are used to modify motion and the magnitude of a force in order to perform work. They are the simplest mechanisms known that can use leverage (or mechanical advantage) to increase force.
MACHINE | English meaning - Cambridge Dictionary
网页a piece of equipment with several moving parts that uses power to do a particular type of work: The different sizes of eggs are sorted by a machine. If I'm not home when you call, …
What is a machine? - eSchooltoday
网页A machine is any device that does work. Machines make our lives a bit easier because they reduce the amount of energy, power, and time we need to get one thing done by magnifying our input force. A machine can increase the magnitude, or the distance of a force but not both at the same time.
machine summary | Britannica
网页machine, Device that amplifies or replaces human or animal effort to accomplish a physical task. A machine may be further defined as a device consisting of two or more parts that transmit or modify force and motion in order to do work.
32 Examples of Machines - Simplicable
网页2023年11月15日 · A machine is a physical device that actively performs work. This can be contrasted with an entity that passively performs work such as a drainage pipe. A machine uses power but isn't necessarily electrical. For example, machines can be powered by wind, water, thermal, chemical or human power. The following are common types of machine.
Simple Machines and How They Work - Science Notes and Projects
网页2022年8月16日 · Simple machines are tools with few or no moving parts that change the magnitude or direction of a force. Basically, they multiply force and make work easier. Here is a look at the types of simple machines, how they work, and their uses.