Find Coefficient of Friction for Physics Final Review

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SUMMARY

The discussion focuses on calculating the coefficient of friction for a brick with a mass of 1.2 kilograms, requiring a force of 5.4 N to move it at constant velocity. The coefficient of friction is determined using the formula: coefficient = Friction force / Normal force. Since the brick moves at constant velocity, the net force is zero, allowing for the calculation of the coefficient of kinetic friction using Newton's Second Law.

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  • Understanding of Newton's Second Law
  • Familiarity with the concepts of friction force and normal force
  • Basic knowledge of kinetic friction
  • Ability to perform calculations involving mass and force
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  • Review the principles of Newton's Second Law in detail
  • Study the differences between static and kinetic friction
  • Practice solving problems involving coefficients of friction
  • Explore real-world applications of friction in physics
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Students preparing for physics exams, educators teaching mechanics, and anyone interested in understanding the principles of friction in motion.

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I'm doing a review for my physics final, and it's asking me to find the coefficient. The problem says,

A brick has a mass of 1,2 kilograms. A force of 5.4 N is required to move the brick across the floor with a constant velocity. What is the coefficient of friction?

What is the equation I use to solve this?
 
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Try and use Newton's Second Law.
 
I'm assuming this is coefficient of kinetic friction?

coefficient = Friction force / Normal forceAnd when you move at constant velocity, total forces on said object = 0, so can you figure it out from there?
 

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