Tuesday, September 2, 2008

Accelaration?

Hi friends,

Do you know what is ment by Accelartion? Increase in the velocity of a moving body, as a result of force being applied to it. The rate of accelaration is units of distance per second. For example, an aceelaration of 10m per second indicates that body moves 10m per second faster every second.

Academy

Hi friends,

Name given to many famous institutions in the field of science, literature and arts. The word goes back to the time of plato, who began teaching in an olive grove near Athens dedicated to a Greek warrior hero whose name was Academus

Abrasive materials

 Hi friends 

       Substance used for grinding, polishing and stripping, sand paper, glass paper and emery cloth are familiar exambles of abrasive materials. Abrasives may be hard, natural materials such as emery, sand, diamond dust.

Abraham

Hi friends

                FAther of the jewish race,whose story is told in the book of Genises. According to the Biblical account,he left his home in Mesoptomia in responce to a call from God, and settled in cannan, where he built altars a Bethel and at Shechem.

Real meaning of Aborigines?

Aborigines are the nomadic hunters and gatherers who migrated into Australia from southern Asia about 40,000 years ago. They are th eonly remaining members of the australoid race, possibly the oldest surviving human group.