Asked by arianna

A small sphere of mass m is connected to the end of a cord of length r and rotates in a vertical circle about a fixed point O. The tension force exerted by the cord on the sphere is denoted by T .
What is the correct equation for the forces in the radial direction when the cord makes an angle θ with the vertical?

Answers

Answered by bobpursley
starting with theta in the up position

F=Mv^2 -Mg CosTheta

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