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## Lever

en.wikipedia.org/wiki/Lever

A lever is a machine consisting of a beam or rigid rod pivoted at a ... Class 2: Resistance (or load) in the middle: the effort is applied on one side of the resistance and the fulcrum is located on...

## Classes of Levers

www.ohio.edu/people/williar4/html/haped/nasa/simpmach/lever.htm

First-class levers have the fulcrum placed between the load and the effort, as in the seesaw, crowbar, and balance scale. If the two arms of the lever are of equal  ...

## Levers- EnchantedLearning.com

www.enchantedlearning.com/physics/machines/Levers.shtml

Many of our basic tools use levers, including scissors (2 class 1 levers), pliers (2 class 1 levers), hammer claws (a single class 2 lever), nut crackers (2 class 2 ...

## BBC - GCSE Bitesize: Levers: 1

www.bbc.co.uk/schools/gcsebitesize/design/systemscontrol/mechanismsrev1.shtml

A class 2 lever has the load and the effort on the same side of the fulcrum, with the load nearer the fulcrum. Examples of a class-two lever are a pair of ...

Mar 19, 2013 ... ... -i/power-energy-machines/levers.php Three Classes of Levers The ... 2:17. Science - Simple machine (Screw, wedge and lever) - English ...
Oct 27, 2014 ... Three Classes of Levers Man has use levers for thousands of years to make ... In class 2 lever the load is in between the effort and the fulcrum.

## Classes of Lever

www.technologystudent.com/forcmom/lever1.htm

Levers are used to lift heavy weights with the least amount of effort. In the example opposite, the heavy weight on the left hand side is been lifted by the person ...

## What levers does your body use? | Sciencelearn Hub

sciencelearn.org.nz/Contexts/Sporting-Edge/Looking-closer/What-levers-does-your-body-use

Jun 21, 2007 ... Different classes of levers are identified by the way the joint and muscles attached to the bone are ... Image: Pivot diagram of a Class 2 lever ...

## Lever

Levers affect the effort, or force, needed to do a certain amount of work, and are ... The class 2 lever has the fulcrum at one end, the force at the other end, and ...

## Levers That Lift - Lesson - www.teachengineering.org

www.teachengineering.org/lessons/view/cub_simp_machines_lesson03

Lever. A drawing of the three types of levers: fist-, second- and third Figure 2. ... In a first-class lever, the fulcrum is placed between the effort and load to ...

### Three Lever Classes by Ron Kurtus - Succeed in Understanding ...

www.school-for-champions.com

Nov 20, 2014 ... A Class 2 lever has the load in-between the effort and the fulcrum. In this type of lever, the movement of the load is in the same direction as that ...

### Types of Lever - Simple Machines - Quatr.us

quatr.us

May 4, 2016 ... Some common first-class levers are see-saws, crowbars, pliers, scissors (which use two first-class levers together), and a hammer pulling a nail ...

### Levers - BrianMac Sports Coach

www.brianmac.co.uk

Mar 17, 2016 ... Class 1 - The fulcrum lies between the effort and the load; Class 2 ... Class 3 is the most common class of lever to be found in the human body.