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【已刪除】1. Hie space shullle launches an 800-kg satellite by ejeciing il from (he cargo bay as shown in Fig. 1. The ejection mechanism is activated and is in coiilacl with the satellite for 3s lo give it a velocity oi 0.4 m/s in the z-direclion relative to Hie sluilile. The mass of I he shullle is l00Mg. Delerinine the component of velocity vf of the shullle in llie minus z-directioa resulting from the ejeclion. Also find ihe lime average Fuv oi lhe ejeciioa force. (25%)

【已刪除】2. Slide A moves in Ihe horizontal slot wilh a conslant speed v for a shorl interval of (notion as shown in Fig. 2. Determine llie angular vclocily ω of bar  AB in lerms of Ihe displacement xA. (25%)

【已刪除】3’ I he cable shown in Fig. 3 has a mass of 1 .2kg per meter of length and supports the pulley and liTting liook, which together have a mass of 5.0kg. Determine the force P necessary to maintain equilibrium. (25%)

【已刪除】4. I lie beam ABC shown in Fig. 4 is simply supported a( A and B and has an overhang from B to C . The loads consist of a horizontal force P1= 400lb acfing al the end of tlie vertical arm and a vertical force P2= 900 lb acting a I I lie end of the overhang. Draw tlie shear-force and bending-momenl diagrams for Ibis beam. (Note: Disregard the widths of (he beam anc! vertical arm and use centerline dimensions when making calculations.) (25%)

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