drag surface
121Morison equation — Flow forces according to the Morison equation for a body placed in a harmonic flow, as a function of time. Blue line: drag force; red line: inertia force; black line: total force according to the Morison equation. Note that the inertia force is… …
122Plate tectonics — The tectonic plates of the world were mapped in the second half of the 20th century …
123Bicycle brake systems — are used to slow down, or brake a bicycle. There have been various types through history, and several are still in use today.HistoryEarly bicycles such as the high wheeled penny farthing bikes were fitted with spoon brakes. As they were fixed… …
124Waverider — A waverider is a hypersonic aircraft design that improves its supersonic lift to drag ratio by producing a lifting surface built out of the shock waves being generated by its own flight, a technique known as compression lift. To date the only… …
125External ballistics — is the part of the science of ballistics that deals with the behaviour of a non powered projectile in flight. External ballistics is frequently associated with firearms, and deals with the behaviour of the bullet after it exits the barrel and… …
126Santa Pod Raceway — Motorsport venue Name = Santa Pod Raceway | Location = Bedfordshire, England Image caption = The finish line at Santa Pod Raceway Events = FIA European Drag Racing Championship, UEM European Drag Racing Championship, British National Drag Racing… …
127Grinds (skateboarding) — Grinds are a form of skateboarding trick where the skateboarder slides on the side or on the trucks. Grinds are performed on any object that may fit between the space between the wheels where the truck meets. There s about 30 45 skate truck… …
128Maple Grove Raceway — Location Brecknock Township, Berks County, near Mohnton, Pennsylvania Time zone GMT 5 Coordinates …
