Block A has a mass of 50 kg and rests on surface B for which ?_s = 0.25. If the mass of the suspended cylinder D is 4 kg, determine the frictional force acting on A and check if motion occurs. The coefficient of static friction between the cord and the fixed peg at C is ??_s = 0.3.

Transcribed Image Text:

0.25 m 0.4 m 0.3 m B.