Recent content by yanshu liang

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    Common Questions for New Students in Physics

    Thanks! :D
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    Common Questions for New Students in Physics

    Hi guys, I'm just a grade 11 student who is new to the world of physics, have some questions that are killing me in my class. Nice to meet you guys!
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    Forces and torques on a prism suspended by string and touching ground

    http://imgur.com/a/6cArN Cos theta cancels out, the relationship I am trying to find is how does the change in theta affect the normal force of the object but since theta cancels I am not sure how to continue with this problem.
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    Forces and torques on a prism suspended by string and touching ground

    Homework Statement I made an apparatus of a rectangular prism dangling from a vertical string from one side while the other is touching the ground. The relationship I'am trying to find is between the angle of the prism relative to the ground and the normal force exerted up wards. I am stuck on...
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