in the past have used simple machines to decrease the amount of force needed to build large structures. Simple machines were created to make work easier by changing force‚ distance‚ or direction. The six simple machines are inclined plane‚ wedge‚ screw‚ lever‚ wheel and axle‚ and pulley. With the help of these machines different tribes and groups have created many common structures we know today. Simple machines have changed society in many ways and lead to the creations of famous buildings and structures
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profit. b) Must be cylinder shaped in order for the ballpoint ink cylinder to fit into the plastic cylinder. c) The plastic cylinder must be in two parts. The two parts are a bottom and a top. The top cylinder’s wedges on the inside must be able to screw around the bottom cylinder’s wedges on the outside. d) The bottom cylinder is 6.5cm long including the wedged area. 5.2cm not including the wedged area. The diameter of the bottom cylinder is .6cm at the top (where wedged area goes into the top
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1 SN2 Reaction‚ Ionic Liquid (Group – hood) Background Reading Solomons and Fryhle Chapter 6 (Substitution/Elimination Reactions) Techniques: Weights and Measures‚ Reflux‚ Liquid-Liquid Extraction‚ Distillation. Introduction The SN2 reaction is a bimolecular nucleophilic substitution reaction where the nucleophile (a molecule with a free pair of electrons) reacts with an alkyl halide and replaces the halogen (for more details see Solomons and Fryle‚ Chapter 6). The nucleophile approaches
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Building a Computer Most people don’t think of what is actually inside their computer when they power it on‚ but they would be shocked and intrigued to know that anyone can build a computer of their own. Opening the case of their computer would be a taunting experience and most would be in immediate confusion. But once they get familiar with the components‚ they will find it to be an easy task. Most of all‚ building one’s own system is fun. Technology has become increasingly complex‚ but PCs are
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require such a high temperature to make sugar melt. Part 1 Observations for the sugar solution: There were occasional bubbles off of the steel screw‚ but no lines of black or yellow off of either like with the salt solution. Observations for the salt solution: The iron nail gave off constant “streaks” of a blue/green color. The steel screw had constant “streaks” of yellow as well as many‚ many tiny bubbles the entire time. The nail also got much more dark after the salt solution. Part
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How to Build a Custom Desktop Computer Most people believe that building a desktop computer is difficult or complicated‚ even though that is not really the case. It takes a basic understanding of how to use a screw driver‚ read manuals‚ and know a little about basic hardware and software. Building your own computer has its ups and downs. Building a computer one’s self can save money‚ because then you do not have to pay someone else to do it. Also‚ when building the computer‚ you need one hundred
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Servo motor - This is a small motor in a C-band dish feed assembly. This motor selects whether vertical or horizontal polarization is to be received. Servo motor A Servo is a small device that has an output shaft. This shaft can be positioned to specific angular positions by sending the servo a coded signal. As long as the coded signal exists on the input line‚ the servo will maintain the angular position of the shaft. As the coded signal changes‚ the angular position of the shaft changes
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Cellular phone Parts list Design LOC QAN02 QBA00 QBA01 QCR17 QCR68 QCR68 QFR01 QKP01 QLC01 QME01 QMI01 QMO01 QMP01 QMW02 QRE01 QRF03 QSH01 QSP01 QSP05 Description INTENNA-SGHC160 PMO-COVER BATTERY V3 INNER BATTERY PACK-800MAH‚MAIN SCREW-MACHINE SCREW-TAPPING SCREW-TAPPING ASSY CASE-FRONT ASSY KEYPAD-(EU/BLK) LCD-LCD MODULE DOME SHEET-METAL DOME MICROPHONE-ASSY-SGHC160B MOTOR DC PBA MAIN-SGHC160B PCT-COVER WINDOW MAIN V4 ASSY CASE-REAR PMO-COVER EAR V3 ASSY BRACKET-SHIELD CAN SPEAKER ASSY DECO-SPK
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parts‚ verify that everything is there and in good condition. You can go back to YouTube and watch the video again to refresh your memory. The process requires you to unscrew two small screws on the bottom and slide the casing upward. Then do the exact opposite and slide the new casing downward. Screw the two screws back in place and you are done. Conclusion There are many different way to save money in these tought economical times. Doing self-repair of your smart phone is one great way to save
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those who use multiple creative filters the way to quickly change filters without having to screw/unscrew them. Welcome to the magnetic magic of Xume. When Manfrotto asked me if I wanted to try the Xume adapters I was both excited and puzzled. I had read about the filters‚ when Manfrotto bought them‚ and felt they were an interesting solution for photographers using filters and tired of fighting with the screw and unscrew operation‚ which sometimes tends to not work as expected‚ but I was not sure
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