Level
pending

In a children's park a heavy rod is pivoted at the centre and is made to rotate about the pivot so that the rod always remains horizontal....Santa n Banta hold rod near the ends n thus rotate with the rod.Mass of both Santa n Banta is 15kg,the distance between the points of the rod where the two hold it be 3.0m and suppose the rod rotates at rate of 20 revolutions per minute...Find the force of friction exerted by the rod on one of them...(pi=3.14)....(answer up to 2 decimal places)

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