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resistance created by a fluid to forward motion. The resistance met by a swimmer in their forward progress caused by the water is passive drag;
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∙ 14y ago
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Why is streamlining used?
to reduce air resistance or drag.
Why are some vehicles streamlined?
To reduce air resistance or drag.
Why do lorries have deflectors fitted?
To reduce the air resistance/drag acting against them and also to reduce the fuel consumption.
Making an object a special shape to reduce drag?
to reduce drag you must make your shape more streamlined and more aerodynamic this meaning reducing drag so that there is less resistance therefore creating speed
What is another word for air or water resistance?
drag
What are the two 2 drag forces?
air and water resistance
What is the drag of an airplane?
The drag of an airplane is the air resistance caused by the plane flying through air. Similar to when you pull your hand through water and feel resistance.
What Is Resistance In Swimming?
Resistance is drag caused naturally by the water being forced around your body and swimsuit.
What are four contact forces?
there's only 2 : friction and drag (air resistance and water resistance)
What air and water resistance are both sometimes called?
drag AIR AND WATER ARE BOTH FLUIDS !
How does streamlining reduce drag?
Force streamlining reduces air resistance or air friction.
How does air resistance change speed?
Air resistance acts in the opposite direction of an object's motion to reduce its speed. The force of air resistance or drag is given by the following formula:FD = 1/2 A CD ρ v2whereA is the projected area of the objectCD is the drag coefficientρ is the air densityv2 is the relative velocity of the air
