R O A T N Explain the principles of operation of a screw-jack with neat sketch. Outside diameter of a square threaded spindle of a screw jack is 40 mm. The screw pitch is 10 mm. If the coefficient of friction between the screw and the nut is 0.15‚ neglecting friction between the nut and collar‚ determine (i) Force required to be applied at the screw to raise a load of 2000 N (ii) The efficiency of screw jack (iii) Force required to be applied at pitch radius to lower the same load
Premium Torque Force Classical mechanics
Realism and Naturalism 1855-1918 Characteristics of Realism • Expression of life as it is actually lived. • Factual description of ordinary characters and events rather than larger-than-life heroes in imagined settings. • Subject matter often consists of factories‚ slums‚ workers‚ bosses‚ criminals‚ and social outcasts. • Regionalism or local color. Focus on dialect‚ customs‚ and characters of a particular region. Sometimes contains humor and social commentary. Background • Very
Premium Romanticism Naturalism Mark Twain
Jack London’s short story To Build A Fire narrates the tale of one adventurer’s experience freezing to death in the Klondike‚ a result of his missteps and failure to adhere to the words of more experienced adventurers. Upon realization of his slim chances of survival‚ the main character frantically looks for means to survive. Unfortunately‚ the adventurer’s last-ditch efforts to remain alive prove to be futile‚ and before long the adventurer encounters the icy embrace of death. On the surface‚ one
Premium Klondike Gold Rush Character Protagonist
one of the most controversial topics in today’s society. A word that derives from the Greek language meaning‚ “good death”. Euthanasia is a term that refers to the practice of intentionally ending a life in order to relieve pain and suffering. Dr. Jack Kevorkian once stated‚ “In quixotically trying to conquer death doctors all too frequently do no good for their patients’ “ease” but at the same time they do harm instead by prolonging and even magnifying patients’ dis-ease.” Euthanasia is nothing
Premium Voluntary euthanasia Medical ethics Death
At some point in our youth‚ every child has entertained the idea of walking the surface of a planet only graced by the footsteps of a handful of select individuals. Jack Swigert‚ Fred Haise‚ and Jim Lovell train for this moment in the NASA program‚ but alas Apollo 13 is the first aborted Apollo mission. There are scarcely words that can describe the disappointment of these three men‚ but at the time‚ that was only a minor adversity during their space mission. The malfunctions of the lunar module
Free Apollo 13 Apollo 11 Apollo program
these SMB’ save a handful amount of money; by being registered to Alibaba.com‚ they no longer need spend extensive money to travel and meet with suppliers. This fee is also charged because Alibaba.com translates and lists their information. In summary‚ Jack Ma charges SMB’s a higher price because companies like these needs Alibaba.com. However‚ it is Alibaba.com that needs the foreign companies in order to work with SMB’s that are pursuing to do business
Premium Trademark Preference Corporation
with a clean space. There was no anesthesia‚ no painkillers for after‚ and no electric equipment to reduce the duration of an operation. Victorian surgery was not just creepy it was outright horrific. In the late Victorian era‚ the monster known as Jack the Ripper terrorized London. Using the pea soupers as a cover‚ the Ripper ultimately slaughtered five or more prostitutes working
Premium Victorian era London Jack the Ripper
White Fang was a great book but there were some differences between the book and movie. Many people like the book better than the movie. The differences of Jack London’s White Fang the book and the movie are white fang’s mothers dies‚the existence of a bear‚ and the burial of a dead guy. The book was very different from the movie in lots of ways. White Fang’s mother dies in the first few minutes of the movie. While huntings she gets shot while running from a hunter. Little does the hunter know
Premium Klondike Gold Rush Jack London Fiction
I think this because Jack Ruby might have been trying to cover him and Oswald working together. When Oswald was taken to be asked questions Jack Ruby might have thought that Oswald was going to tell the F.B.I. that he had a partner so Jack killed Oswald. They also could be connected because they were both seen at Jack’s Night Club two weeks before Kennedy’s assassination that is
Premium John F. Kennedy John F. Kennedy assassination Lee Harvey Oswald
A comic book or comicbook‚[1] also called comic paper or comic magazine (often shortened to simply comic or comics) is a magazine made up of "comics" —narrative artwork in the form of separate panels that represent individual scenes‚ often accompanied by dialog (usually in word balloons‚ emblematic of the comic book art form) as well as including brief descriptive prose. The first comic book appeared in the United States in 1933‚ reprinting the earlier newspaper comic strips‚ which established many
Premium Comic book Marvel Comics Superman