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quality of the Surface is affected to the Coefficient of friction
Four factors that determine the location, size, shape, and direction of a gyre are wind, gravity, Coriolis Effect, and topography.
Kinetic friction is commonly thought of as the friction between two objects while those two objects slide against each other. To determine the coefficient of kinetic friction (for an object under the influence of gravity on some surface), one needs to determine the angle at which the sliding object moves at a constant speed down the other object (think of a flat piece of rubber sliding down a flat plank of wood). This is different from static friction where the sliding object has some applied force to move along a surface, but that object is stationary because of the friction applied by the surface. To determine the coefficient of static friction, one needs to determine the angle at which the sliding object begins to move down the surface.
Gravity is the only force of friction if it and the environment is at rest.
Yo stupid fool it easy you dont need to ask that
a conchoidial fracture is a "shell-like" fracture with a smooth curved surface
The definition of a fracture of a rock is the breakage that is not on a flat surface. Two main kinds of fracture are conchoidal (shell shaped, as in quartz) and uneven.
Diamond
Diamond
Magnetic particle inspection is a method of detecting surface and slightly subsurface conditions in ferrous metals only. X-ray inspection is a volumetric inspection. It examines the whole of the item rather than just the surface.
Definition: Fine ridges on a fracture surface, parallel to the direction of propagation of the fracture. source: About.com
Closed fracture. If the bone is crushed or broken in multiple pieces, a comminuted fracture.
a fracture
The act of breaking or snapping asunder; rupture; breach., The breaking of a bone., The texture of a freshly broken surface; as, a compact fracture; an even, hackly, or conchoidal fracture., To cause a fracture or fractures in; to break; to burst asunder; to crack; to separate the continuous parts of; as, to fracture a bone; to fracture the skull.
The mineral quartz show the property of fracture. it breaks along a curved surface. this kind of fracture is called conchoidal fracture. In math the quartz is x3.
NDI for detecting surface and near surface cracks or other flaws
fracture