Question: Rectangular holes 1 5 . 0 by 3 2 . 5 m m are to be punched in a piece of steel sheet 6 .

Rectangular holes 15.0 by 32.5mm are to be punched in a piece of steel sheet 6.90mm thick. A force of 6.30E2kN will be applied to punch holes. If the stress that must be overcome to punch the holes is 315MPa, what is the maximum number of holes that could be punched at one time?
round down the answer to a whole number
Rectangular holes 15.0 by 32.5mm are to be punched in a

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