You know Cam. It is generally used to open and close valve of IC Engine. In offset can the pointer is not towards the center. Now I do only one thing I dont change diameter of off set cam. You can understand by viewing my figure. So force by pointer (Stationary plate ) applied on cam ( without change of diameter, this is special cam.) You rotate that cam in any direction. The force applied by pointer (stationary plate) is same and constant. Now if you rotate cam (without change in diameter) in opposite direction, Stationary force applied by stationary pointer against to its motion, so you have to applied more force to rotate because you have to overcome the force applied by stationary pointer. But If you rotate cam in nearly same direction than it will help to rotate. who help (Stationary force applied by stationary plate or stationary pointer). Whom help ( Cam without change in diameter means pulley.)
To get idea read all post in this blog.
Uses and Advantages:
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It will decrease manufacturing cost.
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It will decrease electricity Bill.
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It will help to reduce green house effect.
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It provides clean energy.
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It is cheap and available at every place.
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It can use for both linear as well as for circular motion also.
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It will improve quality of people’s life by giving clean and cheap energy.
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It will help to reduce carbon dioxide in environment.
