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Assertion (A): The position of the cut used to solve a closed section affects the final answer.

Reason (R): Cutting the section turns an indeterminate problem into a determinate one.

Select the correct answer from the options below.

  • A.A is true but R is false
  • B.A is false but R is true
  • C.Both A and R are true, and R is the correct explanation of A
  • D.Both A and R are true, but R is not the correct explanation of A

Answer: B

The assertion is false and the reason is true. The cut is an analytical device: the redundant flow restored afterwards compensates exactly, so the final distribution is independent of where the cut was made. Choosing a convenient position merely simplifies the arithmetic.

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