Question

What are the instances when you have experienced the motion of air?

Answer 1

FLIGHT BEGINS WITH AIR IN MOTION

As an airplane moves through the air, its wings cause changes in the speed and pressure of the air moving past them. These changes result in the upward force called lift. To understand lift, you first have to understand how air (a gas) behaves under certain conditions.

BERNOULLI PRINCIPLE

Let's start with the Bernoulli principle. The Bernoulli principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in the pressure exerted by the fluid.

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Answer 2

• As an airplane moves through the air, its wings cause change in the speed and pressure of the air moving past them.These changes result in the upward force called lift.
• To understand lift, you first have to understand how air (a gas) behaves under certain conditions.
• Since air is invisble we easily forget that it is all around us. When we blow in a balloon,we can feel the air pushing on the balloon.
• It's the same with a tire or basket ball.When we sit in front of a fan, we can actullay feel the air molecules moving in the same direction.
• As the air up , its pressure goes down.So the faster-moving air below. The result is an upward push on the wind-lift!
• Examples of fluids motion because of pressure include breathing, and air currents(weather).
• When the lowers the pressure inside your lungs.Higher pressure sir outside your body is sucked into the lungs to fill the gap.Sea and land breezes work similary.