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Good morning, I was checking for homework 9 but i do not see it posted on webwork, am I missing something?

I am having trouble starting number 1 for this Homework set. Does anyone have any advice?

I am having trouble with the assignment. For problem one I am using a 253 equation for moment of inertia of a semi-circle, but it is giving me the wrong answer according to webwork. Is there something I need to use table A-18 for that is specific to the problem? I am also having trouble with proble...

I am having trouble with the assignment. For problem one I am using a 253 equation for moment of inertia of a semi-circle, but it is giving me the wrong answer according to webwork. Is there something I need to use table A-18 for that is specific to the problem? I am also having trouble with proble...

I am having a bit of trouble getting the final answer for question 4. The torque and reaction force were fine and straight forward. But I feel like I am missing something for the reaction moment. I am not really sure where to start with that part.