Understanding the Forces of Flight in Aviation

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Explore the fundamental concepts of flight forces including lift, gravity, and air pressure in aviation. Learn how these forces interact to keep aircraft airborne and understand the principles behind flight movements. Discover the essential role of lift in supporting aircraft flight and how different forces impact the direction and stability of aviation operations.

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Captain Andrews Captain Andrews Flight Experience Flight Experience Lesson 3 Lesson 3 LIFT LIFT

The forces of FLIGHT

The forces of FLIGHT WALT: To know that a force called lift helps an aircraft to fly

Forces are always in Forces are always in operation. operation. If there s force going in If there s force going in one direction, one direction, there ll be another there ll be another operating in the operating in the opposite direction. opposite direction. If the forces acting are If the forces acting are equal, they cancel one equal, they cancel one another out and another out and there s no movement! there s no movement!

If one force is greater than the If one force is greater than the other, then there is movement in other, then there is movement in the direction of the greater the direction of the greater force. force. Here, the force produced by Here, the force produced by the horse is greater than the the horse is greater than the force of the cart pulling it force of the cart pulling it back. back. Result: Forward Movement! Result: Forward Movement!

GRAVITY! GRAVITY! For the dog to jump into the For the dog to jump into the air its leg muscles exert a air its leg muscles exert a force. force. BUT . BUT . it comes back down to earth it comes back down to earth because another, greater force because another, greater force acts on it. Do you know what acts on it. Do you know what it s called? it s called?

An aircraft has 4 forces acting An aircraft has 4 forces acting upon it when in the air upon it when in the air

Can you recall Can you recall what happened in what happened in these these experiments? experiments?

So how does the force of air So how does the force of air pressure get a plane in the air? pressure get a plane in the air? Air flows faster over the top of the wing. The pressure is lower at the top. The higher pressure underneath pushes the wing up

FAST FLOW.. ..PRESSURE LOW Say the phrase above lots of Say the phrase above lots of times. It s key to successful times. It s key to successful flight for planes, birds, bats . flight for planes, birds, bats .

FAST FLOW.. ..PRESSURE LOW The higher pressure under the The higher pressure under the wing wing LIFTS LIFTS the plane into the the plane into the air. air.

For this experiment youll need For this experiment you ll need a hair drier and a ping a hair drier and a ping- -pong ball. ball. Put the ball into the flow of the Put the ball into the flow of the air in an upwards direction. air in an upwards direction. pong

I think the ball will be pushed across the classroom. I think the ball will fall to the ground. I think the ball will shoot towards the ceiling and then fall to the ground. I think the ball will hover in the air

I think the ball will be pushed across the classroom. I think the ball will fall to the ground. I think the ball will shoot towards the ceiling and then fall to the ground. I think the ball will hover in the air

Heres Here s how it how it works. works. Bernoulli's Principle Remember Remember Fast flow .. Fast flow .. Pressure low Pressure low

Over to you.. https://www.youtube.com/watch?v=gVyuNmkatmM

Now try this Now try this

Remember, Remember, means pressure low pressure low. . High pressure under the wing High pressure under the wing LIFTS LIFTS the plane into the air the plane into the air Fast flow Fast flow means