Difference between frictional force and the force of friction

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Frictional force and force of friction are often used interchangeably, as both refer to the same physical phenomenon of resistance between surfaces in contact. The coefficient of friction, however, is a distinct concept that quantifies the amount of frictional force relative to the normal force. While some may argue for a technical distinction, the general consensus is that both terms describe the same force. Clarification on mathematical definitions may be necessary for non-native speakers. Understanding these terms is essential for accurately discussing friction in physics.
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Problem Statement: Difference between frictional force and force of friction.
Relevant Equations: Difference between frictional force and force of friction.

Difference between frictional force and force of friction. Are these two terms equal?
 
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Benjamin_harsh said:
Problem Statement: Difference between frictional force and force of friction.
Relevant Equations: Difference between frictional force and force of friction.

Difference between frictional force and force of friction. Are these two terms equal?
I would use them interchangeably. Do you have a reason to believe they are different?
 
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Friction is a force, whether you want to describe it as a frictional force or the force of friction.

The coefficient of friction, on the other hand, is very different.
 
Can you define in mathematical terms what this difference is? As a non-native speaker I'd consider both expressions to mean the same thing.
 

Thread 'Mousetrap Car Energy efficiency'

For simple comparison, I think the same thought process can be followed as a block slides down a hill, - for block down hill, simple starting PE of mgh to final max KE 0.5mv^2 - comparing PE1 to max KE2 would result in finding the work friction did through the process. efficiency is just 100*KE2/PE1. If a mousetrap car travels along a flat surface, a starting PE of 0.5 k th^2 can be measured and maximum velocity of the car can also be measured. If energy efficiency is defined by...
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