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air resistance
True
air resistance
They experience a form of friction called drag.
Air Resistance or Drag is the type of friction that a falling object encounters while in the air. It has three classifications which are the lift-induced, the parasitic drag and last the wave drag.
air resistance
air resistance
True
They experience a form of friction called drag.
Air resistance causes friction and slows an object.
Air Resistance: a form of friction.
Air Resistance or Drag is the type of friction that a falling object encounters while in the air. It has three classifications which are the lift-induced, the parasitic drag and last the wave drag.
This type of friction is called drag.
aerodynamic drag
There is something called "air resistance" or "friction".
Air resistance
Objects falling through the atmosphere will experience turbulent flow and be subject to drag depending on their drag coefficient. They will be travelling too fast to experience laminar flow or viscous friction. In turbulent flow the aerodynamic drag force F can be found from the equation F = 1/2 x (density of air) x (velocity of object)squared x (Frontal Area) x (Drag Coefficient) If an object falls far enough, it will achieve a velocity where the drag force is equal to the gravity force (m x g), and it will then have achieved its terminal velocity. This is experienced by skydivers, but they have the option of varying their drag coefficient by the attitude adopted, ie headfirst with arms and legs tucked in, or with body horizontal and arms and legs extended, so can vary the terminal velocity.