8-96. Determine the maximum and the minimum values of weight W which may be applied without causing the 50-lb block to slip. The coefficient of static friction between the block and the plane is , = 0.2, and between the rope and the drum D is p = 0.3. W
8-96. Determine the maximum and the minimum values of weight W which may be applied without causing the 50-lb block to slip. The coefficient of static friction between the block and the plane is , = 0.2, and between the rope and the drum D is p = 0.3. W
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*8-96. Determine the maximum and the minimum values
of weight W which may be applied without causing the 50-lb
block to slip. The coefficient of static friction between the
block and the plane is t, = 0.2, and between the rope and
the drum D is n = 0.3.
W
*8-100. Blocks A and B have a mass of 7 kg and 10 kg,
respectively. Using the coefficients of static friction
indicated, determine the largest vertical force P which can
be applied to the cord without causing motion.
كتلتين A=7kg B = 10 Kg ، مستخدما معاملات الإحتكاك الإستاتيكي الموضحة ، أحسب أكبر قوة راسية P مؤثرة على الحيل بحيث
تجعله على وشك الحركة
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