x is sliding (going) downhill
1Disasters — ▪ 2009 Introduction Aviation January 23, Poland. A Spanish built CASA transport plane carrying members of the Polish air force home from a conference on flight safety in Warsaw crashes near the town of Miroslawiec; all 20 aboard are killed …
2Breeching (tack) — Breeching (PronEng|ˈbrɪtʃɨŋ, britching ) is a strap around a draft, pack or riding animal s haunches. Both under saddle and in harness, breeching engages when an animal slows down or travels downhill and is either used for braking or to stabilize …
3Control theory — For control theory in psychology and sociology, see control theory (sociology) and Perceptual Control Theory. The concept of the feedback loop to control the dynamic behavior of the system: this is negative feedback, because the sensed value is… …
4Differential (mechanical device) — For other uses, see Differential. A cutaway view of an automotive final drive unit which contains the differential Input …
5Scree — Scree, also called talus and detritic cone, is a term given to broken rock that appears at the bottom of crags, mountain cliffs or valley shoulders, forming a scree slope. The maximum inclination of such deposits corresponds to the angle of… …
6Slides (skateboarding) — A slide is a skateboarding trick where the skateboarder slides sideways either on the deck or on the wheels. This includes primo .. Slide tricks This is an incomplete list, which may never be able to satisfy particular standards for completeness …
7Longboarding — is the act of riding, on or performing tricks with, a longboard. A person who rides a longboard is referred to as a longboarder.Longboarding is variety of skateboarding, a relatively modern sport mdash;that originated as sidewalk surfing in the… …
8Ski — This article is about the sporting device. For the related activity, see Skiing. For other uses, see Ski (disambiguation). A shaped, twin tip alpine ski A ski is a long, flat device worn on the foot, usually attached through a boot, designed to… …
9Snowboarding — A snowboarder making a turn in fresh snow. First played 1960s, United States Characteristics Categorization Outdoor Equipment Snowboard deck …
10Concerns and controversies over the 2010 Winter Olympics — 2010 Winter Olympics Bid process Venues Mascots Concerns and controversies Torch relay (route) Opening ceremony (flag bearers) Medal table (medalists) Event calendar Chronological summary Closing ceremony Dave Pierce (music director) Paralympics… …
