Define levers. levers synonyms, levers pronunciation, levers translation, English dictionary definition of levers. lever diagram of the three types of levers, showing fulcrum, direction of effort, and direction of force of the load top: a crowbar center:
A simple machine was invented to make work easier by the use of a singleapplied force. Simple machines are mechanical devices that change the direction or magnitude of a force. There are 6 simple machines. Theleverdefinition explains that it is a simple machine that consists of a bar that ...
Define The lever. The lever synonyms, The lever pronunciation, The lever translation, English dictionary definition of The lever. lever diagram of the three types of levers, showing fulcrum, direction of effort, and direction of force of the load top: a
Lever, simple machine used to amplify physical force. All early people used the lever in some form, for moving heavy stones or as digging sticks for land cultivation. The principle of the lever was used in the swape, or shaduf, a long lever pivoted near
2.A lever is a simple machine. 杠杆是一种简单的机器。 a simple machine 一种简单的机器 图片来源于网络 3.It helps to lift or move a heavy thing. 它有助于举起或移动重物。 a heavy thing 重物lift or move a heavy thing 举起或移动重物 ...
"simple machine consisting of a rigid piece acted upon at different points by two forces," c. 1300, from Old Frenchlevier(12c.) "a lifter, a lever, crowbar," agent noun fromlever"to raise" (10c.), from Latinlevare"to raise," fromlevis"light" in weight, "not heavy," also, of mot...
A lever is a handle, sticking out at an angle, that allows you to operate a machine or close a door. When you pull the lever of a voting booth, you both cast your ballot and open the curtain.All kinds of things — particularly machines — have levers. The word is also used to ...
A lever is simply a plank or ridged beam that is free to rotate on a pivot. It is perfect for lifting or moving heavy things. It is a useful simple machine, and you can find them everywhere. Good examples of levers include the seesaw, crowbar, fishing line, oars, wheelbarrows, and ...
lever The term 'lever' as it applies to the area of basic science can be defined as 'simple machine consisting of a rigid bar pivoted on a fixed point and used to transmit force, as in raising or moving a weight at one end by pushing down on the other'. ...
Parts of the Lever: Fulcrum Definition and Lever Arm Definition A lever is a simple machine consisting of one or more lever arms and a fulcrum. The purpose of a lever is to make it easier to move a load, which is weight that needs to be moved. For a given load, the ratio of the...