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bing.com/imagessimple 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.www.britannica.com/technology/simple-machine- 其他人也問了以下問題
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A simple machine is a mechanical device that changes the direction or magnitude of a force. In general, they can be defined as the simplest mechanisms that use mechanical advantage (also called leverage) to multiply force. Usually the term refers to the six classical simple machines that were … 查看更多內容
The idea of a simple machine originated with the Greek philosopher Archimedes around the 3rd century BC, who studied the Archimedean simple machines: lever, pulley, and screw. He discovered the principle of 查看更多內容
If a simple machine does not dissipate energy through friction, wear or deformation, then energy is conserved and it is called an ideal simple machine. In this case, the power … 查看更多內容
In many simple machines, if the load force $${\displaystyle F_{\textrm {out}}}$$ on the machine is high enough in relation to the input force $${\displaystyle F_{\textrm {in}}}$$, the machine will move backwards, with the load force doing work on the input … 查看更多內容
Machines are studied as mechanical systems consisting of actuators and mechanisms that transmit forces and movement, … 查看更多內容
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• Rolamite, the only elementary machine discovered in the 20th century 查看更多內容CC-BY-SA 授權下的維基百科文字 Simple machine - Simple English Wikipedia, the free encyclopedia
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