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en:Image:Pulley phy wiki picture.JPG Public domain Public domain false false This work is ineligible for copyright and therefore in the public domain because it consists entirely of information that is common property and contains no original authorship .
Original - This diagram of four pulley systems illustrates how increasing the number of pulleys increases the mechanical advantage (making the load easier to lift). Reason Today's Commons POTD, seems like a good candidate here as well. Articles this image appears in
A sheave or pulley wheel is a pulley using an axle supported by a frame or shell (block) to guide a cable or exert force. A pulley may have a groove or grooves between flanges around its circumference to locate the cable or belt. The drive element of a pulley system can be a rope, cable, belt, or chain.
This is a featured picture, which means that members of the community have identified it as one of the finest images on the English Wikipedia, adding significantly to its accompanying article. If you have a different image of similar quality, be sure to upload it using the proper free license tag , add it to a relevant article, and nominate it .
In human anatomy, the annular ligaments of the fingers, often referred to as A pulleys, are the annular part of the fibrous sheathes of the fingers.Four or five such annular pulleys, together with three cruciate pulleys, form a fibro-osseous tunnel on the palmar aspect of the hand through which passes the deep and superficial flexor tendons.
Simple machines are elementary examples of kinematic chains that are used to model mechanical systems ranging from the steam engine to robot manipulators. The bearings that form the fulcrum of a lever and that allow the wheel and axle and pulleys to rotate are examples of a kinematic pair called a hinged joint. Similarly, the flat surface of an ...
The longest belt conveyor system in the world is in Western Sahara. It was built in 1972 by Friedrich Krupp GmbH (now thyssenkrupp) and is 98 km (61 miles) long, from the phosphate mines of Bu Craa to the coast south of El-Aaiun. [18] The longest conveyor system in an airport is the Dubai International Airport baggage handling system at 63 km ...
Leonardo’s robot is largely controlled by a system of pulleys composed of a central driver, individual drivers, and supporting idler pulleys. [1] The inside of the robot's chest contains a mechanical controller for the arms. [1] This controller triggers the worm gears connected to the robot’s pulley system, enabling the robot to wave its arms.