Topic: Lever
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Answers to Common Questions
What is a Lever?
In physics, a lever is any rigid object used with a fulcrum or pivot to apply force to another object. Examples of things that use levers are wheelbarrows, crowbars, and the human arm. Read More »
Source: http://answers.ask.com/Science/Physics/what_is_a_lever
What are Levers?
Levers are typically hard materials, such as wood or metal, that are either turned or pushed in order to control something else. For example, to flush the toilet, you must push the lever. Read More »
Source: http://answers.ask.com/Science/Physics/what_are_levers
How to Make a Lever?
A lever can be made out of almost anything. A good example of one is the see saw out on the playground. You can use a stick as your lever and then you would need a fulcrum (such as a block of wood) for the lever to pivot on. Read More »
Source: http://answers.ask.com/Science/Physics/how_to_make_a_lever
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Lever
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Answers to Other Common Questions
The three types of levers are first, second and third class levers. The difference between them is where the load, pivot and force are located. If the load is at one end, the force at the other end and the pivot in the middle, such as a see...
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A first class fever is a machine that has a point on it called a fulcrum. A first class lever is similar to a see saw. Scissors are another example of a first class lever. You can find more information here: http://www.worsleyschool.net/sci...
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Source: http://answers.ask.com/Science/Physics/what_is_a_first_class_leve...
The three parts of a lever are the fulcrum, load, and rod. The rod is usually a type of plank. The load is an object that sits on the plank. The fulcrum is the fixed point that the plank is atop.
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A lever is a gadget that is used to control the flow of something. A lever on a light switch controls the off and on of a light bulb. A lever can also work like a pulley and open and close gates.
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Source: http://answers.ask.com/Science/Physics/how_does_a_lever_work
A second class lever has a fulcrum at one end and force is applied to the other end. Nail clippers, nutcrackers, wrenches and wheelbarrows are examples of second class levers.
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There are different kinds of levers that can be built depending on the purpose it will be used for. A seesaw is a lever. A wheelbarrow is also a lever. The simplest lever would that of the seesaw type. This would require a lever arm and a f...
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