Air friction does not significantly affect a car’s gas mileage. Cars are slowed down when they stir up the air too much. Stirring up the air creates vortices and billows that take energy away from the car. This effect is known as “wake drag”, “pressure drag”, or “form drag”.

Two ways to reduce air resistance are stated: reducing the area in contact with air (by the cyclist ducking down or cycling behind someone else) and by being more streamlined (wearing smoother surfaces or a more streamlined helmet). …

With air resistance, acceleration throughout a fall gets less than gravity (g) because air resistance affects the movement of the falling object by slowing it down. How much it slows the object down depends on the surface area of the object and its speed.

The amount of air resistance an object experiences depends on its speed, its cross-sectional area, its shape and the density of the air.

Definition: By definition, air resistance describes the forces that are in opposition to the relative motion of an object as it passes through the air. These drag forces act opposite to the oncoming flow velocity, thus slowing the object down.

Air resistance is a type of friction between air and another material. For example, when an aeroplane flies through the air, air particles hit the aeroplane making it more difficult for it to move through the air. It’s the same for an object moving through water.

Air resistance is the frictional force air exerts against a moving object. As an object moves, air resistance slows it down. The faster the object’s motion, the greater the air resistance exerted against it.

Air resistance is the force that air exerts on objects moving through it. Scientists often refer to this force as drag or drag force, a term we’ll use interchangeably throughout the lesson.

In fluid dynamics, drag (sometimes called air resistance, a type of friction, or fluid resistance, another type of friction or fluid friction) is a force acting opposite to the relative motion of any object moving with respect to a surrounding fluid.

Air resistance can be calculated by taking air density times the drag coefficient times area all over two, and then multiply by velocity squared.

around 1.2 kg/m3

Air resistance, on the other hand, does not depend on mass, only on the density of air, the shape of the object, and the velocity of the object (or the square of the velocity, depending on the size and density– air resistance is messy…).

Both elephant and feather have the same force of gravity, yet the feather experiences a greater air resistance. Each object experiences the same amount of air resistance, yet the elephant experiences the greatest force of gravity.

Galileo discovered that objects that are more dense, or have more mass, fall at a faster rate than less dense objects, due to this air resistance. Air resistance causes the feather to fall more slowly.

If an object is dropped from a height and there is no air resistance its speed will increase.