Pulley Equal
Find the acceleration of 2 objects given the coefficient of kinetic friction?
Find the acceleration reached by each two objects connected by pulleys. One of them, 7.00 kg, is on a slope of 37 degrees and a 12 kg hangs freely off the coast. The coefficient of kinetic friction between the object of 7.00 kg and the plane is 0.300. I have tried two different ways. Firstly m2gsinΘ-T – ukm2gcosΘ m2a = T – M1G found M1a = T, and set the two equations equal one another and found a = (m2gsinΘ – ukm2gcosΘ – M1G) / (M1 + M2). After connecting everything they found a = -4.882 m / s 2, but this is not the answer. Second attempt: For M1G to 12 kg – T = M1A (12) (9.8) – T = 12A = 117.6 T-12A to 7 kg that the frictional force f = μ μ N = mg cos 37 = 16.4359 F = NT + m2g + m2a T = 16.436 + (7) (9.8) + 7 = 117.6-12 ba ba, 19a = 117.6 -85,036 a = 1.714 The answer is still wrong. What did I do wrong?
http://en.wikipedia.org/wiki/Coefficient_of_friction
GROWTAC EQUAL-PULLEY取付け方法
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