College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

Exercise 64

For the apparatus shown in Fig., what is the minimum value of the coefficient of static friction between the block ( m 3 ) and the table that would keep the system at rest if m 1 = 0.25 kg, m 2 = 0.50 kg, and m 3 = 0.75 kg

FIGURE Which way will they accelerate See Exercises.