Examlex
A block of mass m sits at rest on a rough inclined ramp that makes an angle θ with the horizontal.What must be true about the force of static friction f exerted on the block?
Arête
A sharp, narrow ridge found in glaciated or high mountain terrain, formed by the erosion of two glaciers from opposite sides.
U-Shaped Valley
A valley with a distinct U-shaped cross-section, typically formed by glacial erosion.
Tarn
A small mountain lake or pool, formed in a cirque excavated by a glacier.
Shoreline
The boundary line where land meets a body of water, such as a sea, lake, or river, constantly reshaped by the forces of nature.
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