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Question

The sum of the tensions when the belt is running on the pulley is 

जब बेल्ट चरखी पर चल रही हो तो तनाव का योग है

A.

Less than the initial tension

B.

More than the initial tension

C.

More than twice the initial tension

D.

Half the initial tension

Answer ( Option C)

More than twice the initial tension

Solution

From the above relation, we can say that sum of tension is equal to twice of initial tension (i.e.T1+ T2= 2TO, ), but there is also some centrifugal tension TC.So the sum of tension T1and T2 is more than the twice of initial tension.

Hence, the correct option is (C).

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