Ch 9 - 1 Chapter 12 Homework 5, 8, 12, 18, 20, 30, 32, 53,...

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Unformatted text preview: 1 Chapter 12 Homework 5, 8, 12, 18, 20, 30, 32, 53, 58*, 60, 64* P5. Calculate the mass needed in order to suspend the leg shown in Fig.12-53. Assume the leg (with cast) has a mass of 15.0 kg, and its CG is 35.0 cm from The hip joint; the sling is 80.5 cm from the hip joint. Assume the mass m is in line with the leg's CG and the hip joint. Solution: Equilibrium condition for the leg: Equilibrium condition for the weight: kg P8. Calculate the forces and that supports exert on the diving board of Fig. 12-52 when a 56-kg person stands at its tip. (a) Ignore the weight of the board. (b) Take into account the board's mass of 35 kg. Assume the board's CG is at its center. Solution: 2 m m kg m/s m 6 kg m/s m N N m m kg m/s m kg m/s m N N P12. Find the tension in the two wires supporting the traffic light shown in Fig. 9-46....
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This note was uploaded on 10/29/2009 for the course CHEM 105B at USC.

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Ch 9 - 1 Chapter 12 Homework 5, 8, 12, 18, 20, 30, 32, 53,...

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