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A fell (from Old Norse fell, fjall, "mountain" [1]) is a high and barren landscape feature, such as a mountain or moor-covered hill. The term is most often employed in Fennoscandia , Iceland , the Isle of Man , parts of northern England , and Scotland .
In classical mechanics, free fall is any motion of a body where gravity is the only force acting upon it. A freely falling object may not necessarily be falling down in the vertical direction . If the common definition of the word "fall" is used, an object moving upwards is not considered to be falling, but using scientific definitions, if it ...
The undercut or notch cut is the guiding or aiming slot for the tree and is a V-shaped notch placed on the side of the tree in the direction of intended fall. [4]The back cut or felling cut is made on the opposite side of the tree of the undercut and is cut through the base of the tree severing the “hinge” holding the tree up.
Classical: Fall height is nearly equal to stream width, forming a square shape. [13] Curtain: Fall height is greater than the width of the falling water stream. [13] Plunge Fast-moving water falls vertically, completely losing contact with the bedrock surface. [17] Punchbowl Water is constricted as it falls and then spreads into a wider pool. [13]
Dale, Vaksdal is located in a dale (valley; note the variant spellings of the center and the Norwegian municipality). A dale is a valley, especially an open, gently-sloping ground between low hills with a stream flowing through it. [1]
A fall is a movement of isolated blocks or chunks of soil in free-fall. The term topple refers to blocks coming away by rotation from a vertical face. A slide is the movement of a body of material that generally remains intact while moving over one or several inclined surfaces or thin layers of material (also called shear zones) in which large ...
Fell running, also sometimes known as hill running, is the sport of running and racing, off-road, over upland country where the gradient climbed is a significant component of the difficulty. The name arises from the origins of the English sport on the fells of northern Britain, especially those in the Lake District .
A rockfall or rock-fall [1] is a quantity of rock that has fallen freely from a cliff face. The term is also used for collapse of rock from roof or walls of mine or quarry workings. The term is also used for collapse of rock from roof or walls of mine or quarry workings.