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**Hi, Im new here!**

**1. There is no actually data given, Im just supposed to explain why a string that crosses a pulley have the same tension both sides. The pulleys moment of inertia is zero and friction is negligible.**

There is a little hint in this problem that says; study equation 9-15, which is:"Στ=lα"

There is a little hint in this problem that says; study equation 9-15, which is:"Στ=lα"

**The only thing I know here is that a pulley doesnt change the tension just the direction.**

Need help, Thanks in advance.

Kate

Need help, Thanks in advance.

Kate