Question: Block A and wedge B have masses of MA and MB, respectively. Solve for the mass of ? block C when it is on the

Block A and wedge B have masses of MA and MB, respectively. Solve for the mass of

block C when it is on the verge of slipping. All surfaces have a coefficient of static friction of ?. The cable connecting wedge B and block C is parallel with the incline. Use g = 9.806 m/s2. Indicate the direction of impending motion for each FBD.

? =0.16

MA = 60 kg

MB = 180 kg

? = 20

? = 11

A ? ? B 40? B

A a C 40 B

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