For the system in Problem 12 and Figure P4.12, how large can m 2 be made without

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For the system in Problem 12 and Figure P4.12, how large can m2be made without the system starting into motion?


Data From Problem 12

Two blocks of mass m1 = 45 kg and m2 = 12 kg are connected by a mass less string that passes over a pulley as shown in Figure P4.12. The coefficient of static friction between mand the table is µS = 0.45. 

(a) Will this system be in static equilibrium? Assume the pulley is friction less. 

(b) Find the tension in the string.


Figure P4.12

т1 т2

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