Saturday, June 23, 2012

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Simple Machine

Machine
Machine is a device which make our work easier,faster and convenient. They are two types of machine. They are:-


Compound Machine
It is the collection of simple machine within a machine. Eg:- bicycle


Simple Machine
It is defined as a device which is used in our daily life to make our work easier and convenient to do.


Importance of Simple machine
1) They transfer force from one point to another
2) They accelerate the rate of doing work.
3) They multiply force i.e more load as lifted by              
     applying less effort. This is called magnification 
     of force.
4)  They change the direction of force.    






   

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