static friction problem

1. The problem statement, all variables and given/known data
4.00-kg block rests on a 30.0° incline as shown in the figure. If the coefficient of static friction between the block and the incline is 0.700, what magnitude horizontal force F must act on the block to start it moving up the incline?

2. Relevant equations
F=ma FfrictionsFnormal

3. The attempt at a solution
Numerous attempts to long to type out.

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