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Coefficient of Friction For Brake is the ratio defining the force that resists the motion of the brake pad in relation to the brake disc or drum in contact with it. Check FAQs
μ=MfNr
μ - Coefficient of Friction For Brake?Mf - Braking or Fixing Torque on Fixed Member?N - Normal Reaction on Brake?r - Radius of Brake Drum?

Coefficient of Friction given Braking Torque Example

With values
With units
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Here is how the Coefficient of Friction given Braking Torque equation looks like with Values.

Here is how the Coefficient of Friction given Braking Torque equation looks like with Units.

Here is how the Coefficient of Friction given Braking Torque equation looks like.

0.35Edit=609000Edit5800Edit300Edit
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Coefficient of Friction given Braking Torque Solution

Follow our step by step solution on how to calculate Coefficient of Friction given Braking Torque?

FIRST Step Consider the formula
μ=MfNr
Next Step Substitute values of Variables
μ=609000N*mm5800N300mm
Next Step Convert Units
μ=609N*m5800N0.3m
Next Step Prepare to Evaluate
μ=60958000.3
LAST Step Evaluate
μ=0.35

Coefficient of Friction given Braking Torque Formula Elements

Variables
Coefficient of Friction For Brake
Coefficient of Friction For Brake is the ratio defining the force that resists the motion of the brake pad in relation to the brake disc or drum in contact with it.
Symbol: μ
Measurement: NAUnit: Unitless
Note: Value should be less than 1.
Braking or Fixing Torque on Fixed Member
Braking or fixing torque on fixed member is the measure of the force that can cause an object to rotate about an axis.
Symbol: Mf
Measurement: TorqueUnit: N*mm
Note: Value should be greater than 0.
Normal Reaction on Brake
Normal Reaction on Brake is the force exerted by the drum or the disc onto the brake or vice versa.
Symbol: N
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Radius of Brake Drum
The Radius of Brake Drum is any of the line segments from the brake drum's center to its circumference.
Symbol: r
Measurement: LengthUnit: mm
Note: Value should be greater than 0.

Other Formulas to find Coefficient of Friction For Brake

​Go Actual Coefficient of Friction given Equivalent Coefficient of Friction
μ=µ'4sin(θw)2θw+sin(2θw)

Other formulas in Block Brake category

​Go Equivalent Coefficient of Friction in Block Brake with Long Shoe
µ'=μ(4sin(θw)2θw+sin(2θw))
​Go Braking Torque when Brakes are Applied
Mf=μNr
​Go Radius of Drum Brake given Braking Torque
r=MfμN
​Go Normal Reaction Force given Braking Torque
N=Mfμr

How to Evaluate Coefficient of Friction given Braking Torque?

Coefficient of Friction given Braking Torque evaluator uses Coefficient of Friction For Brake = Braking or Fixing Torque on Fixed Member/(Normal Reaction on Brake*Radius of Brake Drum) to evaluate the Coefficient of Friction For Brake, The Coefficient of Friction given Braking Torque formula is defined as the ratio of the force required to move two sliding surfaces over each other, and the force holding them together. Coefficient of Friction For Brake is denoted by μ symbol.

How to evaluate Coefficient of Friction given Braking Torque using this online evaluator? To use this online evaluator for Coefficient of Friction given Braking Torque, enter Braking or Fixing Torque on Fixed Member (Mf), Normal Reaction on Brake (N) & Radius of Brake Drum (r) and hit the calculate button.

FAQs on Coefficient of Friction given Braking Torque

What is the formula to find Coefficient of Friction given Braking Torque?
The formula of Coefficient of Friction given Braking Torque is expressed as Coefficient of Friction For Brake = Braking or Fixing Torque on Fixed Member/(Normal Reaction on Brake*Radius of Brake Drum). Here is an example- 0.35 = 609/(5800*0.3).
How to calculate Coefficient of Friction given Braking Torque?
With Braking or Fixing Torque on Fixed Member (Mf), Normal Reaction on Brake (N) & Radius of Brake Drum (r) we can find Coefficient of Friction given Braking Torque using the formula - Coefficient of Friction For Brake = Braking or Fixing Torque on Fixed Member/(Normal Reaction on Brake*Radius of Brake Drum).
What are the other ways to Calculate Coefficient of Friction For Brake?
Here are the different ways to Calculate Coefficient of Friction For Brake-
  • Coefficient of Friction For Brake=Equivalent Coefficient of Friction/((4*sin(Semi-Block Angle))/(2*Semi-Block Angle+sin(2*Semi-Block Angle)))OpenImg
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