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Seamless Christmas stripes wrapping paper pattern
Physics diagram showing equilibrium of forces in three situations: horizontal surface, hanging mass, and inclined plane. Includes labeled vectors, tension, gravity, physics mechanics, Isaac Newton
Female going on equipment in fitness center
Chattanooga, Tennessee/ USA - June 6, 2018: Panoramic view of The Incline on Lookout Mountain looking down into the Tennessee River Valley. Built in 1895, this railway claims to be world's steepest.
Downtown skyline of Pittsburgh, Pennsylvania at sunset in USA

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