ARTICLES

According to Ohio University, there are three main classes of levers. These are distinguished by the relative locations of the load, effort and fulcrum along the lever. A second-class lever is one in which the load, or t...

www.reference.com/science/second-class-lever-de581707df557475

Third-class levers have an input force, a fulcrum and an output force. The placement of the fulcrum, input and output forces of the lever determines its type.

www.reference.com/science/example-third-class-levers-3b1bde6710162453

A first-class lever is a beam, rod or stick with the load at one end, the fulcrum in the middle and the force applied on the other end. A good example of a first-class lever is a child's see-saw.

www.reference.com/science/first-class-lever-39dab9e44d502ea4

SIMILAR ARTICLES

Bathroom scales utilize a series of levers to distribute weight evenly while placing tension on a spring connected to a dial. The spring is calibrated so that it elongates under force, turning the attached dial until it ...

www.reference.com/article/weighing-scales-work-ddb54f328780a184

Sample test questions about pulleys, gears and levers are available from Psychometric Success, Education.com and Mechanical Aptitude Tests. Most of these questions are geared towards students studying for the Armed Servi...

www.reference.com/article/can-one-sample-test-questions-pulleys-gears-levers-b1554d2e7f22efd9

Levers are denominated as being either first-class, second-class or third-class levers. A lever is classified based on the position of the fulcrum in relation to the point of effort and the load. The fulcrum is the pivot...

www.reference.com/article/different-types-levers-24a869a09c5d0414

A fulcrum is the fixed support or pivot point for a lever, which is a simple machine used to overcome resistance. The lever is a stiff rod or bar, and the location of the fulcrum determines the class of the lever. Levers...

www.reference.com/science/fulcrum-work-19cc39eb5bf4647