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

The lever class of a hammer depends upon its use. If the hammer is used as a claw to remove a nail, it is a first class lever. When the hammer is used to strike a nail, it is a third class lever.

www.reference.com/science/class-lever-hammer-e36b20f0459232b0

A snap-back mousetrap is both a second-class lever and a third-class lever. When the mousetrap is set, it is a second-class lever because the load of the force rests in the spring. When the spring is released, the force ...

www.reference.com/article/class-lever-mouse-trap-72237f1af1b12c8c

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

The six simple machines are the inclined plane, wedge, screw, lever, wheel and axle, and pulley. Each machine is capable of reducing the amount of force needed to complete a task.

www.reference.com/article/six-simple-machines-8fdaab6139bff398