Question 2 [12 marks] A vertically hanging steel bar with a rectangular cross-section measuring 50 mm...
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Question 2 [12 marks] A vertically hanging steel bar with a rectangular cross-section measuring 50 mm by 65 mm and a length of 2.5 m is securely anchored at its upper end. The modulus of elasticity for the steel material is denoted as E steel = 205 GPa. If a mass of 79 kg is released from a height of 100 mm and falls onto a collar affixed to the lower end of the bar, determine the following: 3.1 The maximum stress induced in the bar 3.2 The maximum instantaneous extension of the bar 3.3 The energy stored in the bar (7) (2) (3) Question 2 [12 marks] A vertically hanging steel bar with a rectangular cross-section measuring 50 mm by 65 mm and a length of 2.5 m is securely anchored at its upper end. The modulus of elasticity for the steel material is denoted as E steel = 205 GPa. If a mass of 79 kg is released from a height of 100 mm and falls onto a collar affixed to the lower end of the bar, determine the following: 3.1 The maximum stress induced in the bar 3.2 The maximum instantaneous extension of the bar 3.3 The energy stored in the bar (7) (2) (3)
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