Physics answers (i have a test tmrw and there is no key to this) thanks

[hoopermk]

Homework Statement

http://bhs-jones-physics.wikispaces.com/file/view/torque+wkst.pdf
questions 2 3 4 5 please!

 

[Pengwuino]

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https://www.physicsforums.com/showthread.php?t=414380

Show some effort.