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Examples of circular motion include: special satellite orbits around the Earth (circular orbits), a ceiling fan's blades rotating around a hub, a stone that is tied to a rope and is being swung in circles, a car turning through a curve in a race track, an electron moving perpendicular to a uniform magnetic field, and a gear turning inside a ...
Rotation (angular displacement) of a planar figure around a point Rotational orbit v spin Relations between rotation axis, plane of orbit and axial tilt (for Earth) Mathematically, a rotation is a rigid body movement which, unlike a translation, keeps at least one point fixed. This definition applies to rotations in two dimensions (in a plane ...
The non-flonking team joins hands and dances in a circle around a member of the flonking team, a practice known as "girting". The flonker dips his dwile-tipped "driveller" (a pole 2–3 ft long and made from hazel or yew) into a bucket of beer, then spins around in the opposite direction to the girters and flonks his dwile at them.
The Rollglider is a type of a thrill amusement ride that has a steel pipe track designed with turns, dips and loops, using gravity-propelled trolleys to slide down the track. 1970s Roll-O-Plane: 1940s Rotor: The Rotor is an amusement ride designed and patented by German engineer Ernst Hoffmeister in 1948.
A Disk'O ride that spins around a central axis while traveling back and forth on a half-pipe track. Wind Star 2023 Zamperla A WindstarZ ride that spins around a central axis, similar to Mountain Gliders (see below). Seats are fitted with glider wings, which riders can position to control the height at which they travel. Opened on June 16, 2023.
A A-grade Also aid climbing grade. The technical difficulty grading system for aid climbing (both for "original" and an adapted version for "new wave"), which goes: A0, A1, A2, A3, A4, A5 and up to A6 (for "new wave"). See C-grade. Abalakov thread Abalakov thread Also V-thread. A type of anchor used in abseiling especially in winter and in ice climbing. ABD Also assisted braking device. A term ...
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The angular displacement (symbol θ, ϑ, or φ) – also called angle of rotation, rotational displacement, or rotary displacement – of a physical body is the angle (in units of radians, degrees, turns, etc.) through which the body rotates (revolves or spins) around a centre or axis of rotation.