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anonymous
 4 years ago
A block with mass m1 = 8.6 kg is on an incline with an angle θ = 35.0° with respect to the horizontal.
The coefficients of friction are: μk = 0.32 and μs = 0.352.
Now a new block with mass m2 = 16.9 kg is attached to the first block. The new block is made of a different material and has a greater coefficient of static friction. What minimum value for the coefficient of static friction is needed between the new block and the plane to keep the system from accelerating?
anonymous
 4 years ago
A block with mass m1 = 8.6 kg is on an incline with an angle θ = 35.0° with respect to the horizontal. The coefficients of friction are: μk = 0.32 and μs = 0.352. Now a new block with mass m2 = 16.9 kg is attached to the first block. The new block is made of a different material and has a greater coefficient of static friction. What minimum value for the coefficient of static friction is needed between the new block and the plane to keep the system from accelerating?

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Something is just wrong with my freebody diagram. I keep getting the wrong answer. I'm suck somewhere, I just don't know which step at this point. :(

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1351678973651:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0where N1 = m1 g cos theta, and N2 = m2 g cos theta

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Thank you very much. I just woke up and am trying to resurrect with coffee. I will go over the problem later on and see if I come up with the right answer :). I appreciate your help.
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