Principles of Simple Machines: Machines simply transmit mechanical work from one part of a device to another part. A machine produces force and controls the direction and the motion of force, but it cannot create energy. A machine's ability to do work is measured by two factors. These are (1) mechanical advantage and (2) efficiency. Mechanical advantage. In machines that transmit only mechanical energy, the ratio of the force exerted by the machine to the force applied to the machine is known as mechanical advantage.
The Rosicrucians are a mystical arcane society that played a major role in the development of Freemasonry. The rose and cross symbolize the society. It signifies crucifying the soul upon the body.
[srÌ©Ìbi]) are a South Slavic nation and ethnic group native to the Balkans. The majority of Serbs inhabit Serbia (including the disputed territory of Kosovo), as well as Bosnia and Herzegovina and Montenegro, and form significant minorities in Croatia, the Republic of Macedonia and Slovenia.he Serbs had taken an active part in the wars fought in the Balkans against the Ottoman Empire, and also organized uprisings. Because of this, they suffered persecution and their territories were devastated. Major migrations from Serbia into Habsburg territory ensued.