Custom Search
Gravity is a well-known term and everyone in general knows that it is a pulling force. It is such a force which keeps everything in contact and everything thus constrained to something. Gravity of earth keeps the moon where it is supposed to be and gravity keeps you where you are now. If you weren’t under gravity of earth, you would be floating in space. This understanding of gravity is not really limited to the force of attraction between...
In our 3-dimensional world, an aircraft has three degrees of freedom. It is very important to make an overview of these three degrees of freedom to understand the stability and control of an aircraft. An aircraft rotates about its center of gravity (c.g). The center of gravity of any object is a point in the middle of the mass where the mass is balanced. It can be seen from the following examples:
The mass on each...