About the three orders of levers
What is a machine?
An object which helps us to do work easily is called a machine.
What does a machine do?
In our everyday life we take advantage of all kinds of machines, from toasters to T.Vs. But for a scientist, a machine is a device that makes life easier by reducing the needed to move something.
What is a lever?
Lever helps us to transfer the force applied at one end to the other end. It also changes the direction of force.
How many and what are the types of levers?
There are three types of levers. They are:
1. First order Lever: The Fulcrum Is between the load and Effort Example: Scissors, See-saw, Crow-bar.
3. Third Order Lever: The Effort is in the center.Example: Broom stick,Forceps,Appala Idukki.
Who Discovered This Three orders of Levers?
Who said the word ''Eureka,Eureka''? Who Discovered Relative Density and The principle of Elevator? A Famous Greek Philosopher Archimedes Discovered The three orders of levers.
When He discovered this three orders of lever He said '' Give me a place to stand on and I will move the earth''.
Today's Facts:
Ethiopia Is called the New Abyssinia
England Is called the Old Blighty
Africa's highest Peak Is Killimanjaro.
FIFA-Federation of football association
Next FIFA Football world cup is on 2014
What is a machine?
An object which helps us to do work easily is called a machine.
What does a machine do?
In our everyday life we take advantage of all kinds of machines, from toasters to T.Vs. But for a scientist, a machine is a device that makes life easier by reducing the needed to move something.
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| Example of a Machine |
What are the simple machines?
Pulley,Inclined plane, screw jack and wedge are the simple machines
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| Example of a simple machine- pulley |
What is a lever?
A lever is a simple machine that makes it easier to move a
load. If a rod is fixed at one point, but is free to swivel, it is a lever.
What does a lever do? Lever helps us to transfer the force applied at one end to the other end. It also changes the direction of force.
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| Lever |
1. First order Lever: The Fulcrum Is between the load and Effort Example: Scissors, See-saw, Crow-bar.
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| See-saw,First order Lever |
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| First Order Lever |
2. Second order lever: The load is in the center.Example: Lemon squeezer, bottle opener, Wheel barrow
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| Lemon squeezer-Second order lever |
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| Second order Lever |
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| Third Order Lever. |
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| Forceps-Third order lever |
Who Discovered This Three orders of Levers?
Who said the word ''Eureka,Eureka''? Who Discovered Relative Density and The principle of Elevator? A Famous Greek Philosopher Archimedes Discovered The three orders of levers.
When He discovered this three orders of lever He said '' Give me a place to stand on and I will move the earth''.
 | |
| Archimedes-c.287 B.C-c.212 B.C. |
Ethiopia Is called the New Abyssinia
England Is called the Old Blighty
Africa's highest Peak Is Killimanjaro.
FIFA-Federation of football association
Next FIFA Football world cup is on 2014
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