Thursday, March 14, 2013

What Are Three Simple Machines

Introduction to what are three simple machines:

The simple machine is the devices, which can make the work to be more and more easier. For example, door handles, bottle opener, wheels etc. Simple machines are also used in heavy and complicated machines also. In our daily life we cannot able to do all the works by their own so need simple machines. A simple machine is a device that increases the force, which we applied. A complex machine is the combination of two or more simple machines. Please express your views of this topic Buoyancy Force Formula by commenting on blog.


Three simple machines:


There are three simple machines:

1) levers

2) wheel and axle

3) inclined plane.


Explanation of three simple machines:

1) A lever is a device, which is pivoted with a fixed point called fulcrum. The lever turns against the fulcrum. There three types of levers are Class I, class II and class III levers. In class, one lever the fulcrum is in between the load and effort. The example of class I lever is seesaw. In class II lever the load is in between the fulcrum and effort. The example of class II lever is wheelbarrow. In class III lever the effort is in between the fulcrum and load. The example of class III lever is our arm. Again, we say that the class I lever is categorized in three types. Type A means in which the fulcrum is exactly in the middle of load and effort, this only changes the direction of motion. Type B means in which the fulcrum is closer to the load, this increases the force and hence changes the direction. Type C means in which the fulcrum is closer to effort, this increases speed and distance so that it helps to change the direction. Is this topic Large Rare Earth Magnets hard for you? Watch out for my coming posts.

2) The wheel and axle are used to move the objects, even the distance of the objects is large from axle. First the axle turns so that the movement in the whole body. For example, the motion of a fan. In case of the fan the axle turns so that the blades also turn. Nowadays, we use pulleys in place of wheel and axle to lift heavy loads.

3) The inclined plane is like a slope, and it is a simplest form of the simple machine. For example, a ramp which is used for pulling or pushing the very heavy loads.

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