A shear stress, denoted Ï (Greek: tau), is defined as the component of stress coplanar with a material cross section. Shear stress arises from the force vector component parallel to the cross section. Normal stress, on the other hand, arises from the force vector component perpendicular to the material cross section on which it acts.
Life OK is a Hindi language Indian cable and satellite television channel based in India. The channel launched on 18 December 2011, and is distributed in many parts of the world.
Arirang TV (founded in 1996) is an international English-language network based in Seoul. It's operated by the Korea International Broadcasting Foundation. The channel presents programs designed to give viewers a contemporary, accurate look at Korea, Asia and the world. .Fact TV (Korean)