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How to find the minium coefficient of static friction?
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Mar29-10, 10:03 AM
1. The problem statement, all variables and given/known data
For a system (with frictionless pulley) Mewsubk = .25 and the system is initially at rest. The mass of block 1 is 16 kg and the mass of block 2 is 12 kg. Determine the minimum coefficient of static friction needed to prevent any movement.
2. Relevant equations
3. The attempt at a solution
I have no idea how to figure it out.
I figured out the acceleration to be 2.8m/s^2 because:
a= 12kg*9.8m/s^2 - .25*16kg*9.8m/s^2/(16kg+12kg)
I figured out the tension in the connecting string to be 84 N because:
Any help on how to figure out minimum coefficient of static friction?
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