FCA 6TH Chapter 7

Bernoulli’s principle

• pressure decreases as a fluid speeds up

• pressure increases as a fluid speeds up

• pressure remains constant regardless of fluid speed

• pressure decreases as a fluid slows down

pressure

• the amount of force exerted on a certain area

• the total weight of an object

• the speed of a moving object

• the distance between two points

drag

• the backward force on an aircraft caused by friction

• the upward force that opposes gravity

• the forward thrust produced by engines

• the lateral movement of an aircraft during flight

Archimedes’ principle

• a submerged object is pushed upward by a force equal to the weight of the fluid it displaces

• an object will float if it is less dense than the fluid

• the pressure in a fluid increases with depth

• the buoyant force is always equal to the weight of the object

thrust

• the force that pushes an aircraft forward

• the resistance that opposes motion

• the lift generated by the wings

• the weight of the aircraft

buoyant force

• the upward force exerted by a fluid

• the downward force exerted by a fluid

• the force that opposes gravity

• the force that increases with depth

Pascal’s principle

• pressure is transferred equally throughout a fluid in all directions

• pressure increases with depth in a fluid

• pressure is inversely proportional to volume

• pressure is dependent on the shape of the container

airfoil

• an object whose shape contributes to lift

• a type of bird

• a tool for measuring air pressure

• a device for cooling engines

hydraulic system

• a system that uses fluids to increase or transfer forces

• a mechanical system that relies on gears and levers

• a system that uses air pressure to operate machinery

• a type of electrical circuit that controls fluid flow

air pressure

• the force exerted by air

• the weight of air in the atmosphere

• the temperature of the air

• the movement of air particles