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Homework Statement
The block moves at 2.3 m/s to the left (on a flat, horizontal surface). If μk, the coefficient of friction between the block and the floor, is .40, what is the tension in the rope? Also, the weight of the block is 9.8 N
Homework Equations
No equations were given... but I used Fk=μkFn
The Attempt at a Solution
2.3=.40Fn
Fn=5.75?
I googled how to find tension.. Some told me I needed three components: Ff, Fn, and Fg and some gave an acceleration for gravity. I don't understand how to go about this problem :/