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An intuitive approach to inertial forces and the centrifugal force paradox in general relativity

2006
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American Journal of Physics
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As the velocity of a rocket in a circular orbit near a black hole increases, the outwardly directed rocket thrust must increase to keep the rocket in its orbit. This feature might appear paradoxical from a Newtonian viewpoint, but we show that it follows naturally from the equivalence principle together with special relativity and a few general features of black holes. We also derive a general relativistic formalism of inertial forces for reference frames with acceleration and rotation. The

doi:10.1119/1.2198880
fatcat:wdjxrlpxkngxngo2prkvpcnfiq