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2. A punch is used to cut out a slug having the shape shown in the figure below from a aluminium sheet having a

2. A punch is used to cut out a slug having the shape shown in the figure below from a aluminium sheet having a thickness of 4,0 mm. Calculate the force that needs to be applied to the punch if the shear stress is 110 MPa. -20 mm- 15 mm 40 mm 10 mm.

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