Exam 12: Static Equilibrium and Elasticity
Exam 1: Systems of Measurement86 Questions
Exam 2: Motion in One Dimension103 Questions
Exam 3: Motion in Two and Three Dimensions67 Questions
Exam 4: Newtons Laws117 Questions
Exam 5: Applications of Newtons Laws75 Questions
Exam 6: Work and Energy71 Questions
Exam 7: Conservation of Energy73 Questions
Exam 8: Systems of Particles and Conservation of Linear Momentum107 Questions
Exam 9: Rotation119 Questions
Exam 10: Conservation of Angular Momentum67 Questions
Exam 11: Gravity90 Questions
Exam 12: Static Equilibrium and Elasticity65 Questions
Exam 13: Fluids91 Questions
Exam 14: Oscillations138 Questions
Exam 15: Wave Motion122 Questions
Exam 16: Superposition and Standing Waves125 Questions
Exam 17: Temperature and the Kinetic Theory of Gases85 Questions
Exam 18: Heat and the First Law of Thermodynamics114 Questions
Exam 19: The Second Law of Thermodynamics61 Questions
Exam 20: Thermal Properties and Processes54 Questions
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A design project requires you to construct a crane to lift a maximum load of 5000 kg and with a maximum upward acceleration of 2 m/s2. What size diameter steel cable should you use if the cable is to have a safety factor of 5?
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A planet has mass mP and radius RP. Suppose a rod of uniform diameter and length RP extends vertically from the surface of the planet. Where is the center of gravity of the rod as measured from the surface of the planet? The mass of the rod is much less than the mass of the planet. 

(Multiple Choice)
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A 10-m long plank (of negligible mass) is supported at each end by vertical cables. A person of unknown weight sits on the plank between the cables. The tension in the left cable is 300 N, and in the right cable it is 200 N. How far is the person sitting from the left cable?
(Multiple Choice)
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Use the picture on the right to answer the next question.
A steel wire and an aluminum wire of the same length L and diameter d are joined to form a wire of length 2L. The wire is fastened to the ceiling and a mass m is attached to the other end.
-The stress in the aluminum portion is ____ the steel portion.

(Multiple Choice)
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