Problem 520 | Friction

Tags: 
strut
dry friction
coefficient of friction
impending motion
blocks and strut

Problem 520
Referring to Fig. P-519, block A weighs 4 kN and B weighs 3 kN. If μ = 0.20 under B, compute the minimum coefficient of friction under A to prevent motion.
 

Blocks connected by strut

 

Solution 520

 

Another Solution to Problem 520

 
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