- 12.12.1: Three forces are applied to a tree sapling, as shown inFig. 12-45, ...
- 12.12.2: Approximately what magnitude force, Fm, must theextensor muscle in ...
- 12.12.3: Calculate the mass m needed in order to suspend the legshown in Fig...
- 12.12.4: A tower crane (Fig. 12-48a) must always be carefullybalanced so tha...
- 12.12.5: Calculate the forces FA and FB that the supports exerton the diving...
- 12.12.6: Two cords support a chandelier in the manner shown inFig 12-3 excep...
- 12.12.7: The two trees in Fig. 12-50 are 6.6 m apart. Aback-packer is trying...
- 12.12.8: A 110-kg horizontal beam is supported at each end. A320-kg piano re...
- 12.12.9: Calculate FA and FB for the uniform cantilever shownin Fig. 12-7 wh...
- 12.12.10: A 75-kg adult sits at one end of a 9.0-m-long board. His25-kg child...
- 12.12.11: Find the tension in the two cords shown in Fig. 12-51.Neglect the m...
- 12.12.12: Find the tension in the two wires supporting the trafficlight shown...
- 12.12.13: How close to the edge of the 24.0-kg table shown in Fig. 12-53 can ...
- 12.12.14: The force required to pull the cork out of the top of a winebottle ...
- 12.12.15: Calculate FA and FB for the beam shown in Fig. 12-55.The downward f...
- 12.12.16: (a) Calculate the magnitude of the force, required ofthe deltoid mu...
- 12.12.17: Suppose the hand in holds an 8.5-kg mass.What force, Fu , is requir...
- 12.12.18: Three children are trying to balance on a seesaw, whichincludes a f...
- 12.12.19: The Achilles tendon is attached to the rear of the foot asshown in ...
- 12.12.20: A shop sign weighing 215 N is supported by a uniform155-N beam as s...
- 12.12.21: A traffic light hangs from a pole as shown in Fig. 12-60.The unifor...
- 12.12.22: A uniform steel beam has a mass of 940 kg. On it isresting half of ...
- 12.12.23: Two wires run from the top of a pole 2.6 m tall thatsupports a voll...
- 12.12.24: A large 62.0-kg board is propped at a 45 angle againstthe edge of a...
- 12.12.25: Repeat assuming the coefficient of frictionbetween the board and th...
- 12.12.26: A 0.75-kg sheet hangs from a massless clothesline asshown in Fig. 1...
- 12.12.27: A uniform rod AB of length 5.0 m and mass M = 3.8 kgis hinged at A ...
- 12.12.28: A 56.0-kg person stands 2.0 m from the bottom of thestepladder show...
- 12.12.29: A door 2.30 m high and 1.30 m wide has a mass of13.0 kg. A hinge 0....
- 12.12.30: A cubic crate of side s = 2.0 m is top-heavy: its cg is 18 cmabove ...
- 12.12.31: A refrigerator is approximately a uniform rectangularsolid 1.9 m ta...
- 12.12.32: A uniform ladder of mass m and length leans at anangle 6 against a ...
- 12.12.33: The Leaning Tower of Pisa is 55 m tall and about 7.0 m indiameter. ...
- 12.12.34: A nylon string on a tennis racket is under a tension of275 N. If it...
- 12.12.35: A marble column of cross-sectional area 1.4 m2 supportsa mass of 25...
- 12.12.36: By how much is the column in shortened if itis 8.6 m high?
- 12.12.37: A sign (mass 1700 kg) hangs from the end of a verticalsteel girder ...
- 12.12.38: How much pressure is needed to compress the volumeof an iron block ...
- 12.12.39: A 15-cm-long tendon was found to stretch 3.7 mm by aforce of 13.4 N...
- 12.12.40: At depths of 2000 m in the sea, the pressure is about 200times atmo...
- 12.12.41: A pole projects horizontally from the front wall of a shop.A 6.1-kg...
- 12.12.42: The femur bone in the human leg has a minimum effectivecross sectio...
- 12.12.43: (a) What is the maximum tension possible in a1.00-mm-diameter nylon...
- 12.12.44: If a compressive force of 3.3 X 104 N is exerted on the endof a 22-...
- 12.12.45: (a) What is the minimum cross-sectional area requiredof a vertical ...
- 12.12.46: Assume the supports of the uniform cantilever shown inFig. 12-69 (r...
- 12.12.47: An iron bolt is used to connect two iron plates together.The bolt m...
- 12.12.48: A steel cable is to support an elevator whose total(loaded) mass is...
- 12.12.49: A heavy load Mg = 66.0 kN hangs at point E of thesingle cantilever ...
- 12.12.50: Figure 12-71 shows a simple truss that carries a loadat the center ...
- 12.12.51: (a) What minimum cross-sectional area must the trusseshave in Examp...
- 12.12.52: Consider again Example 12-11 but this time assume theroadway is sup...
- 12.12.53: The truss shown in Fig. 12-72 supports a railway bridge.Determine t...
- 12.12.54: Suppose in Example 12-11, a 23-ton truck(ra = 23 X 103 kg) has its ...
- 12.12.55: For the Pratt truss shown in Fig. 12-73, determinethe force on each...
- 12.12.56: How high must a pointed arch be if it is to span a space8.0 m wide ...
- 12.12.57: The mobile in Fig. 12-74 is in equilibrium. Object B hasmass of 0.7...
- 12.12.58: A tightly stretched high wire is 36 m long. It sags 2.1 mwhen a 60....
- 12.12.59: What minimum horizontal force F is needed to pull a wheelof radius ...
- 12.12.60: A 28-kg round table is supported by three legs equaldistances anart...
- 12.12.61: When a wood shelf of mass 6.6 kg is fastened inside a slot ina vert...
- 12.12.62: A 50-story building is being planned. It is to be 180.0 m highwith ...
- 12.12.63: The center of gravity of a loaded truck depends on how thetruck is ...
- 12.12.64: In Fig. 12-79, consider the right-hand (northernmost)section of the...
- 12.12.65: Assume that a single-span suspension bridge such as theGolden Gate ...
- 12.12.66: When a mass of 25 kg is hung from the middle of a fixed straightalu...
- 12.12.67: The forces acting on a 77,000-kg aircraft flying at constantvelocit...
- 12.12.68: A uniform flexible steel cable of weight mg is suspendedbetween two...
- 12.12.69: A 20.0-m-long uniform beam weighing 650 N rests on walls Aand B, as...
- 12.12.70: A cube of side I rests on a rough floor. It is subjected to asteady...
- 12.12.71: A 65.0-kg painter is on a uniform 25-kg scaffold supportedfrom abov...
- 12.12.72: A man doing push-ups pauses in the position shown inFig. 12-86. His...
- 12.12.73: A 23-kg sphere rests between two smooth planes as shown inFig. 12-8...
- 12.12.74: A 15.0-kg ball is supported from the ceiling by rope A.Rope B pulls...
- 12.12.75: Parachutists whose chutes have failed to open have beenknown to sur...
- 12.12.76: A steel wire 2.3 mm in diameter stretches by 0.030% when amass is s...
- 12.12.77: A 2500-kg trailer is attached to a stationary truck at point B,Fig....
- 12.12.78: The roof over a 9.0-m X 10.0-m room in a school has a totalmass of ...
- 12.12.79: A 25-kg object is being lifted by pulling on the ends of a1.15-mm-d...
- 12.12.80: A uniform 6.0-m-long ladder of mass 16.0 kg leans against asmooth w...
- 12.12.81: There is a maximum height of a uniform vertical columnmade of any m...
- 12.12.82: A 95,000-kg train locomotive starts across a 280-m-longbridge at ti...
- 12.12.83: A 23.0-kg backpack is suspended midway between two treesby a light ...
- 12.12.84: A uniform beam of mass M and length I is mounted on ahinge at a wal...
- 12.12.85: Two identical, uniform beams are symmetrically set upagainst each o...
- 12.12.86: If 35 kg is the maximum mass m that a person can hold in ahand when...
- 12.12.87: (a) Estimate the magnitude of the force f m the musclesexert on the...
- 12.12.88: One rod of the square frame shown in Fig. 12-95 contains aturnbuckl...
- 12.12.89: A steel rod of radius R = 15 cm and length 0 standsupright on a fir...
- 12.12.90: A home mechanic wants to raise the 280-kg engine out of acar. The p...
- 12.12.91: A 2.0-m-high box with a 1.0-m-square base is moved acrossa rough fl...
- 12.12.92: You are on a pirate ship and being forced to walk the plank(Fig. 12...
- 12.12.93: A uniform sphere of weight mg and radius rQ is tethered to awall by...
- 12.12.94: Use the method of joints to determine the force in eachmember of th...
- 12.12.95: A uniform ladder of mass m and length leans at an angle0 against a ...
- 12.12.96: In a mountain-climbing technique called the Tyroleantraverse, a rop...
- 12.12.97: A metal cylinder has an original diameter of 1.00 cmand a length of...
- 12.12.98: Two springs, attached by a rope, are connected as shownin Fig. 12-1...
Solutions for Chapter 12: Static Equilibrium; Elasticity and Fracture
Full solutions for Physics for Scientists & Engineers with Modern Physics | 4th Edition
ISBN: 9780131495081
Solutions for Chapter 12
23
4
Physics for Scientists & Engineers with Modern Physics was written by and is associated to the ISBN: 9780131495081. This expansive textbook survival guide covers the following chapters and their solutions. Chapter 12: Static Equilibrium; Elasticity and Fracture includes 98 full step-by-step solutions. This textbook survival guide was created for the textbook: Physics for Scientists & Engineers with Modern Physics, edition: 4. Since 98 problems in chapter 12: Static Equilibrium; Elasticity and Fracture have been answered, more than 67763 students have viewed full step-by-step solutions from this chapter.
Key Physics Terms and definitions covered in this textbook
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parallel
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any symbol
average (indicated by a bar over a symbol—e.g., v¯ is average velocity)
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°C
Celsius degree
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°F
Fahrenheit degree