Homework 1 3 k Determine the reactions at the supports. EI is constant. Fixed A 10 ft Cy = 1.875 k %3D Az = 3.00k Ay = 3.125 k 10 ft MA = 6.25 k· ft %3D Roller

A steel strip of length L = 200 mm is fixed at A and rest at B on a vertical spring of stiffness k = 2N/mm. The steel strip is 5 mm wide and 10 mm thick. A vertical load P = 50 N is applied at B as shown. Consider E = 200 GPa, the force (in N) developed in the spring is A L P B K

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Determine the state of stress acting at point D. Take P₁ = 50 kN and P2 = 10 kN. OD= B ANSWER: P₁ TD= -1.5 m 1.5 m--1.5 m- 0.5 m 40 mm 100 mm 60 mm T D E P₂ 80 mm Part A Find o D. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. ANSWER: C Q Tap image to zoom Part B Find TD- Express your answer to three significant figures and include the appropriate units.