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Drag Formula

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Drag Force is the resisting force experienced by an object moving through a fluid ,such as air. Check FAQs

D = \frac{W 0}{C L} / C D

D - Drag?W₀ - Gross Weight?C_L - Lift Coefficient?C_D - Drag Coefficient?

Drag Example

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Here is how the Drag equation looks like with Values.

Here is how the Drag equation looks like with Units.

Here is how the Drag equation looks like.

0.0888 = \frac{2.93}{1.1} / 30

0.0888N = \frac{2.93kg}{1.1} / 30

0.0888 = \frac{2.93}{1.1} / 30

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Drag Solution

Follow our step by step solution on how to calculate Drag?

FIRST Step Consider the formula

D = \frac{W 0}{C L} / C D

Next Step Substitute values of Variables

∴

D = \frac{2.93kg}{1.1} / 30

Next Step Prepare to Evaluate

∴

D = \frac{2.93}{1.1} / 30

Next Step Evaluate

∴

D = 0.0887878787878788N

LAST Step Rounding Answer

∴

D = 0.0888N

Drag Formula Elements

Variables

Drag

Drag Force is the resisting force experienced by an object moving through a fluid ,such as air.

Symbol: D

Measurement: ForceUnit: N

Note: Value should be greater than 0.

Formulas to find Drag

Gross Weight

The Gross Weight of the airplane is the weight with full fuel and payload.

Symbol: W₀

Measurement: WeightUnit: kg

Note: Value should be greater than 0.

Formulas to find Gross Weight

Lift Coefficient

The Lift Coefficient is a dimensionless coefficient that relates the lift generated by a lifting body to the fluid density around the body, the fluid velocity and an associated reference area.

Symbol: C_L

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Lift Coefficient

Drag Coefficient

Drag Coefficient is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water.

Symbol: C_D

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Drag Coefficient

Other formulas in Lift and Drag Polar category

Go Drag Coefficient for given parasite drag coefficient

C D = C D,e + (\frac{{C L}^{2}}{π \cdot e oswald \cdot AR})

Go Drag Coefficient for given zero-lift drag coefficient

C D = C D,0 + (\frac{{C L}^{2}}{π \cdot e oswald \cdot AR})

Go Coefficient of Drag due to lift

C D,i = \frac{{C L}^{2}}{π \cdot e oswald \cdot AR}

Go Parasite Drag Coefficient at zero lift

C D,0 = C D - C D,i

How to Evaluate Drag?

Drag evaluator uses Drag = Gross Weight/Lift Coefficient/Drag Coefficient to evaluate the Drag, Drag is a measure of the force that opposes the motion of an object through a fluid, such as air or water, due to the interaction between the object and the fluid. It is an important consideration in the design of aircraft, ships, and automobiles, among other applications. Drag is denoted by D symbol.

How to evaluate Drag using this online evaluator? To use this online evaluator for Drag, enter Gross Weight (W₀), Lift Coefficient (C_L) & Drag Coefficient (C_D) and hit the calculate button.

FAQs on Drag

What is the formula to find Drag?

The formula of Drag is expressed as Drag = Gross Weight/Lift Coefficient/Drag Coefficient. Here is an example- 0.088788 = 2.93/1.1/30.

How to calculate Drag?

With Gross Weight (W₀), Lift Coefficient (C_L) & Drag Coefficient (C_D) we can find Drag using the formula - Drag = Gross Weight/Lift Coefficient/Drag Coefficient.

Can the Drag be negative?

No, the Drag, measured in Force cannot be negative.

Which unit is used to measure Drag?

Drag is usually measured using the Newton[N] for Force. Exanewton[N], Meganewton[N], Kilonewton[N] are the few other units in which Drag can be measured.

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Drag Formula

Drag Example

Drag Solution

Drag Formula Elements

Other formulas in Lift and Drag Polar category

How to Evaluate Drag?

FAQs on Drag

Variable Name