The Base of an Aluminum Block,which Is Fixed in Place,measures

question 25

Multiple Choice

The base of an aluminum block,which is fixed in place,measures 90 cm by 90 cm,and the height of the block is 60 cm.A force,applied to the upper face and parallel to it,produces a shear strain of 0.0060.The shear modulus of aluminum is Pa.What is the sheer stress on the block?

• A) 180 × 10⁶ N/m²
• B) 360 × 10⁶ N/m²
• C) 600 × 10⁶ N/m²
• D) 720 × 10⁶ N/m²
• E) 900 × 10⁶ N/m²

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