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Answer: The hydraulic crane is used to lift the 1400-lb

Engineering Mechanics: Statics | 14th Edition | ISBN: 9780133918922 | Authors: Russell C. Hibbeler ISBN: 9780133918922 126

Solution for problem 6-104 Chapter 6

Engineering Mechanics: Statics | 14th Edition

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Engineering Mechanics: Statics | 14th Edition | ISBN: 9780133918922 | Authors: Russell C. Hibbeler

Engineering Mechanics: Statics | 14th Edition

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Problem 6-104

The hydraulic crane is used to lift the 1400-lb load. Determine the force in the hydraulic cylinder AB and the force in links AC and AD when the load is held in the position shown. 8 ft 30 120 70 1 ft 1 ft 1 ft B A D C 7 ft Prob. 6104

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Exam three study guide: Section 1: Vocabulary review  Aniconic: Against icons, images, and idols.  Apse: Semicircular recess in a church. Think of a rectangle with a half circle hanging off of the end, and the half circle is the apse.  Arcade: A series of arches with each counterthrusting the next, like the roman aqueducts.  barrel vault: A vault that is essentially a very deep arch.  central plan: A form of architecture with a definite center, and each wall equal distant from the center.  Codex: An early form of book that was the first experiment of pages being bound together.  Coffer: A series of sunken panels in the form of a square, rectangle, octagon, or something else. Used heavily in the dome of Haga Sofia.  composite order: A column order made of a mix of other column orders.  Dome: A circular vault, looks like part of a sphere.  Drum: the upright part of a building on which a dome is raised.  engaged column: A column partially built into a wall.  Forum: the marketplace or public place of an ancient Roman city serving as the center for public business  groin vault: Also known as a double barrel vault, it is produced with the right angle intersection of two barrel vaults.  Icon: Literally, and image. Refers what is typically a painting representing Christ, Mary, saints, or so on.  Iconoclasm: A ovement in the Byzantine empire that declared all icons to be heresy and destroyed many of them.  Illumination: Lighting  longitudinal plan: A rectangular plan for a building.  Mihrab: A niche in a wall that signifies the direction of mecca to pray towards.  Minaret: A tall slender tower of a mosque that the summons to a prayer is called from.  Mosque: Muslim house of prayer  Nave: Central part of a church.  orant figure: a representation of a female figure, with outstretched arms and palms up in a gesture of prayer, in ancient and early Christian art.  Pendentive: A joining piece between a square room and a circular dome.  Peristyle: Building surrounded by columns  Pseudoperipteral: Building that looks like it is surrounded by columns, but in reality, they are engaged columns and just part of the wall.  qibla wall: A wall that marks the direction in which muslims should pray.  Rotunda: A building with a circular ground plan, often covered by a dome.  Syncretism: Symbols being reused in different context to deepen meaning.  Transept: A transverse section, of any building, which lies across the main body of the building. Often used by early Christians to make their buildings look like crosses.  tuscan order: Ultra simple column order, even simpler than doric.  verism: Ultra realism, with imperfections and the like emphasized.  Voussoir: A wedge shaped element, often stone, used in building an arch or vault: Section 2: Art piece review Pont du Gard:  Roman  Used concrete  An aqueduct that delivered over 100 gallons of water per day per inhabitant  Multiple levels of arches to distribute weight.  Example of Arcade Temple, perhaps dedicated to Portunus:  Roman art  Worship was done outside the temple, and a cult statue was housed inside.  Strongly influenced by greek/eutruscan styles.  Example of a Pseudoperipteral building and engaged columns.  Greek traits: Frieze, ionic order, columns wole way around  Eutruscan traits: Clear frontality, closed sides, on a platform Augustus of Primaporta:  Roman art  Strong, powerful, eternally young.  The first emperor of Rome, born to the name Octavius  Shows him as a warrior, an orator, a general, and related to the gods with images of victory carved on his breastplate.  Cupid and the like symbolize the divinity. Imperial Procession, south side of the Ara Pacis:  Roman Art  Very Roman, in the sense that it portrayes a real event  There are children portrayed, which is very rare  Ideal roman family Peristyle Garden, House of the Vettii, Pompeii:  Roman art.  Surrounded by pillars  Essentially an outdoor living space.  Colosseum: 70-80 CE  Roman art  Also known as the Flavian Amptheater  Three levels of seating  Every level has a different order of columns, with higher up being fancier.  Historically important, as it was built on land returned to the people from the holdings of Emperor Nero.  Was possibly home to mock naval battles The Arch of Titus:  Roman art  Arches were built to honor Roman Triumphs  This one honored the capture of Jerusalem  Large inscription at the top, and the arch is covered in reliefs. Central Hall, Basilica Ulpia:  Roman art  Used for government, military, and other secular purposes.  Built from a longitudinal plan  Heavily influenced later Christian churches.  Clerestories on the second floor, and a statue that oversees legal proceedings. Column of Trajan:  Roman art  Commemorative monument and the tomb of an emperor.  A statue of the emperor was on top of the pillar, but was later replaced with a saint.  The column is decorated with a long, spiraling, continuous frieze of the Drastian war. Pantheon: 110-128 CE  Roman art  Temple for all Roman gods  The burnt temples was torn down and replaced.  The front looks greek, but the rotunda behind it is very Roman  Built with using layers of different roman cement. Dome of the Pantheon:  Roman art  Filled with statues of gods, and later saints  The Coffers help reduce the weight of the dome  The pantheon was often used as a measuring stick for later architectural achievments Equestrian Statue of Marcus Aurelius:  Roman art  Statues of emperors on hourses were common.  This statue survived because the Christians mistook it for a statue of Constantine  Beards were more greek than roman  This is one of the few statues that shows the strain of leadership. Plan of the Baths of Caracalla:  Roman art  Opened to please the public  Heavily decorated with running and heated water  Complex was huge, covering 50 acres  Used for many things, not just bathing. Essentially a country club. Arch of Constantine detail:  Roman art  Edit of Milan, 313, grants religious freedom to all  This is about the triumph were Constatine won all of Rome.  Every inch is covered in reliefs, many copied from earlier pieces. Wall with Torah Niche:  Jewish art  Very unusual for Jewish art, since it shows depictions of people  Used to teach about the faith  God is only ever represented as a pair of hands in jewish art. The Good Shepherd, Orants, and the Story of Jonah:  Early Christian  An example of Syncretism: The borrowing of images and themes and putting them into a new context  Christians borrow the image of a men holding the sheep over his shoulder  An illegal image, hid from the public eye Jacopo Grimaldi, Interior of Old St. Peter’s, 1619 copy of an earlier drawing:  Early Christian  After the edict of Milan, churches start to be created  Based off of the bascilica ulpia The Good Shepherd, Oratory of Galla Placidia:  Early Christian  Christ does not yet have beard  Christ starts to acquire imperial attributes, as Christianity becomes the official religion in 380 Anthemius of Tralles and Isidorus of Miletus, Church of Hagia Sophia: 532-537 CE  Byzantine art  Huge church, built in 5 years, a monumental achievement  Symbolizes the power of Christianity and the Byzantine empire Interior of the Church of Hagia Sophia:  Byzantine art  It has a central and longitudinal plan  Heavily decorated with gold, including on many of the mosaic stones.  Got turned into a mosque  A pendentive dome, flowting dome Christ Enthroned, Flanked by Angels, St. Vitalis, and Bishop Ecclesius:  Byzantine art  Christ is being offered a tiny version of the building.  It does not seem t fall in a real world setting, and he is portrayed as above the people as a ruler, rather than among the people and a teacher.  All about perfection and creating the ideal. Emperor Justinian and His Attendants:  Byzantine art  Hierarchical scale, halo and crown as leader of both church and state.  Gifts are being presented to Jesus Rebecca at the Well:  Byzantine art  Shows a story with a continuous narrative, where all parts of the story are shown at once  Symbols like the water nymph are distincylu pagan The Kaaba, Mecca:  Islamic art  Used for polytheistic worship until Muhammed returns and turns it back towards Islam  People walk around it while worshipping Exterior of Dome of the Rock, Jerusalem: 691 CE  Islamic art  built to commemorate the assertion to heaven on the night journey  It was a religious and political statement built to show up the many beautiful churches of the west  Interior is also very elaborate, and pieces are taken from other building and churches  A sacred site  Islam is still new at this point Prayer Hall, Great Mosque, Cordoba, Spain:  Islamic art  The last Umeag flees to spain, creates new ruling class there  Huge building, testament to presige. A key political statement.  They used stacked columns to increase height of recycled arches  Polychrome and horseshoe arches Dome in Front of the Mihrab, Great Mosque, Cordoba:  Islamic art  Used the 8 pointed star symbolic of Islam  Niche over the wall that points to mecca  Flower shaped dome  Dome on squinches  Muhammad Ibn al-Zain, Baptistery of St. Louis:  Islamic art  Don’t know who it was commissioned for.  Very expensive, and madeof high class materials, such as mother of pearl  Every inch is filled, the fear of empty space  It is unusual that it has inscriptions of people on it. Page from the Qur’an:  Islamic art  Almost the opposite of biblical manuscripts, no illustration.  Kufic script  Caligrofers are the highest artist in muslim society Sinan, Mosque of Sultan Selim:  Islamic art  Sinan is the architect, the greatest ottoman architect  An imperial mosque  Influenced by the Hagia Sofia. Tries to surpass it.  Only imperial mosque could have the 4 minarets like this. Section 3: general review  Extra credit: the five pillars of islam: o Declare Allah to be one true god o Pray to Mecca five times a day o Give alms to poor o Fast during Ramadan o Embark on the hajj pilgrimage.  Roman art: o Verism, Roman art is ultra realistic during the republican period o Romans had lots of aqueducts, and used arches, domes, and vaults which distribute weight better than post and lentils. o Art was used as propaganda and to show the emperor’s power. o Popei was important since it ended up preserving the city very well. Also, it shows how Roman cities are laid out in a grid like pattern o The roman empire did not have religious freedom at first, so mystery religions were practiced in secret so that the members were not killed o 313 the edict of Milan gives religious freedom for all. o Art under Constantine gets more stylized, less realistic.  Early Christian art o Still illegal to be Christian, so heir art is hidden in caticombs  Byzantine empire o Only Christianity is legal o Christ is more and more emperial o Iconoclast controversy  Icons are considered idol worship and are destroyed in mass  Islamic art o There are no portrayals of people, mostly just geometric patterns to symbolize the order of god o Symbols, like the 8 pointed star, are religious and very important o Tries to outshine Christian architecture

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Chapter 6, Problem 6-104 is Solved
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Textbook: Engineering Mechanics: Statics
Edition: 14
Author: Russell C. Hibbeler
ISBN: 9780133918922

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Answer: The hydraulic crane is used to lift the 1400-lb