A body moving through a fluid experiences a drag force, which is usually divided into two components: frictional drag, and pressure drag. Frictional drag comes from friction between the fluid and the ...

The friction warms them up. Friction caused by air is called air resistance or drag. Bikes, cars and other moving objects experience air resistance as they move. Air resistance is caused by the ...

As the bicycle and its rider move along the road, the air exerts a force that increases sharply with speed. The force is due to friction between the air and the exposed surfaces of the rider and ...