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I need to make a free body diagram of an object being twirled around on a string in a circular motion. What forces are acting on it and what are there equations? For example I know that the force of gravity is acting on the string so I am showing the Fg = mg equation on my FBD. I need to know the equation for the tension or centripetal force? Is it T = mv^2/r?

Edit: Are the forces balanced when it is moving?

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# FBD of centripetal acceleration

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