Finding the Kinetic Friction Coefficient

  • #1

Homework Statement



A 22kg box is being pulled across a flat surface by a rope at a 25 degree angle with the floor. What is the kinetic friction coefficient?


Homework Equations



(Fnet)y= -mg + Tsin() + n(normal force)
(Fnet)x= Tcos() + kf

The Attempt at a Solution



I cannot figure out what Tension would be...Our professor gave us the FnetY equation and i feel like we need more information to figure this out. Its on my quiz tomorrow it would really help if someone could explain a little bit of whats going on. Thanks a bunch!
 

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