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Homework Statement
What must be the applied force (25 degrees above the horizontal) in order to accelerate a block at 1.1 m/s^2, if the mass is 2kg and the coefficient of kinetic friction is .3?
Homework Equations
F(net y)=Fn + Fav - W
Ff = μ x Fn
F(net x)=Fah-Ff
The Attempt at a Solution
I've substitued the variables in and gotten these:
2(1.1) - xsin25 + 2(9.81) = Fn
Ff = .3Fn
2(1.1) = xcos25 - Fn
How do I find Fn?
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