These two problems are inclined plane problems which I cannot figure out. The problems are attached in the image below.
The Attempt at a Solution
I first broke down the gravity force into its x and y components. After that, I did this:
and found the expression for normal force: N=mgcosx
then found the expression for F(kinetic friction): mgcosxµk
I tried plugging in the expression for kinetic friction:
I wasn't able to find an answer using this method so now I have no clue how to proceed.
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