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A simple pendulum with a bob of mass `mwings with angular amplitude of 60. When itsangular displacement is 30°, the tension in thestring would be
Greater than mgcos30 . The tension in the string has to balance the component of mg in the direction of tension and also provide the necessary centripetal force. So, tension in the string is given by:T=mv^2/r + mgcosθThus, T will always be either greater than or equal to mgcosθ. There, T is greater than mgcos30.
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