Saturday 21 November 2015

Transfer of Motion

What are the things which drives a motion and what is the governing force behind the motion?

Solution:: The answer begins with a toy car which we played with in our childhood. How does the car moves?? First we compress the spring of the car and then when we release the turning movement then the car starts moving in forward direction because the spring which is compressed will come to its normal position. Here we are, again the spring is coming to its normal position then how come the wheels move??... The wheels are moving because of the gear box which is present inside the car...The gear box allows the car wheels which are connected by the shaft will move forward with the rotation of the shaft.

For any object when does the motion start?? The answer is quite simple when an external agent applies some force or some deviation to the system ,then the object will be set into motion with the help of many connecting elements...

What are these connecting elements??

Generally a shaft which connects the wheels or the motor fan which rises/lowers the fluids from a tank and so ...

What is the principle applied in operating a device??

The answer is quite simple...law of conservation of energy is the one which drives this mechanisms. Energy in one form is always getting converted to other and can be utilized with the help of suitable mechanisms which can make the system work. The driving elements should be identified so that the system will work for a long run.

The forces which we come across in designing large vehicles are the air drag which continuously acts on the system and the frictional forces which are present oppose the motion to a large extent as if the frictional force is always inversely related to the size of the machine and even the drag to the same extent.

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