Coefficient of friction problem

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SUMMARY

The problem involves calculating the coefficient of friction for a block of wood sliding down an inclined plane at an angle of 17.157 degrees. The correct approach utilizes the tangent function, where the coefficient of friction is determined by the formula F/R, with F representing the force of friction and R the normal force. The expected answer for the coefficient of friction is 2.074, indicating a misunderstanding in the application of the tangent function or the relationship between forces. Proper guidance emphasizes providing hints rather than complete solutions to encourage learning.

PREREQUISITES
  • Understanding of basic physics concepts, particularly forces and friction.
  • Familiarity with trigonometric functions, especially tangent.
  • Knowledge of inclined planes and their mechanics.
  • Ability to apply mathematical equations to physical scenarios.
NEXT STEPS
  • Review the principles of friction and how they apply to inclined planes.
  • Study the tangent function and its application in calculating angles in physics.
  • Learn about the relationship between forces acting on an object on an incline.
  • Practice similar problems involving coefficients of friction and inclined planes.
USEFUL FOR

Students studying physics, particularly those focusing on mechanics and friction, as well as educators looking for examples of inclined plane problems.

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Homework Statement



A block of wood is sitting on an inclined plane. One end of the plane is rised until the wood block slides down. The wood block slides down when the plane has an angle of 17.157
degrees . What is the coefficient of friction?


Homework Equations



F/R

The Attempt at a Solution


opposite/ adjacent = tan theta how i worked out my angle

answer should be 2.074 at the end

Angle of elevation, at which the block slid down the ramp, in degree’s (˚)is an average
= tan-1 (opp. /adj.)
= angle θ
 
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Please show how you arrived at the answer...something is not right.
 
Hey ainhaini,
Since you are new to PF I should tell you that you are not supposed to give the whole answer. Just give hints or solve the doubt
 

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