APFIVE Equilibrium in a Pulley System
Two blocks are connected by a massless string passing over a frictionless, massless pulley. If the system is in equilibrium, what must be true about the free-body diagram of each block?
A
The gravitational forces must be equal
B
The tension forces in the string must be different
C
The net force on each block equals zero
D
The normal forces must equal the weights
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