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This question belongs to Civil Engineering Strength Of Materials

Strength of Materials

?

Coulomb friction is the friction between

A) Bodies having relative motion B) Two dry surfaces C) Two lubricated surfaces D) Solids and liquids

Answer & Solution

Correct Answer: Option A

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Question posted by Examveda

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7 Comments

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Gaurav Datar 5 years ago

Coulomb’s law of sliding friction can represent the most fundamental and simplest model of friction between dry contacting surfaces.
When sliding takes place, the coulomb law states that the tangential friction force is proportional to the magnitude of the normal contact force.
It is independent of relative tangential velocity.

Ram Mm 6 years ago

Thanks for the answers guys

Beef Beef 6 years ago

wrong it should be between 2 dry surfaces B

Preetam Halder 7 years ago

i was firstly shocked, when they were showing me ans A. as the correct.....

Shaukat ALI 7 years ago

The correct answer is B. between two dry surfaces. Please correct it.

Manish Thakur 7 years ago

its between two dry surfaces

Shaikh Aqib 7 years ago

Coulomb is not having relativ motion

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