How do flaps work on an aircraft?

This roughly represents the root section of a Cessna 172 wing I selected the single slot flap-type to represent the 172's flap design I

Jet Flaps Consider the jet flap as a high-velocity sheet of air issuing from the trailing edge of an airfoil at some downward angle τ to the airfoil

single line slot machines While fowler wing flags have multiple slots, slotted wing flaps have a single slot This single slot is found at the hinge When a slotted wing

single board computer with pcie slot 6 aerofoil fitted with a swivelling front edge to form a simple single slot automatic slots working in conjunction with trailing-edge flaps