Both pulleys are fixed to the shaft and as the shaft turns with constant angular velocity, the power of pulley A is transmitted to pulley B. Determine the horizontal tension T in the belt on pulley B and the x, y, z components of reaction at the journal bearing C and thrust bearing D if u = 45. The bearings are in proper alignment and exert only force reactions on the shaft.
2: Chapter 7- The CSI Effect Wednesday, March 23, 2016 7:26 PM Notes off PowerPoint: Media/ Popular Culture Sensationalizing crime Increasing fear Sensationalizing criminals Sexualizing crime and the criminal justice field Influencing criminal justice field Video Many aspects are dramatized Good and bad influence on the CJS Hair analysis is not a sure thing DNA is what they want to find Tv vs Reality Expect forensic investigation Expect evidence Expect reliable and fast tests *jurors are drawn to what they see on tv o Don't expect a testimony and a police investigation DNA testing Pros o Child support enforcement o Paternity o Reversed convictions o Helped solve crime Cons o Disrupt people's lives o Overzealous DA's o Shouldn't replace police investigation o Not 100% reliable FBI Definition of Rape 1927 o The carnal knowledge of a female, forcibly and against her will 2012 o The penetration, no matter how slight, of the vagina or anus with any body part or object, or oral penetration by a sex organ of another person, without the consent of the victim Rape Culture Setting in which rape is pervasive and normalized due to societal attitudes about gender and sexuality Everywhere we look there are different views Socialization… Blaming the victim (“She asked for it!”) Trivializing sexual assault (“Boys will be boys!”) Sexually explicit jokes Tolerance of sexual harassment Inflating false rape report statistics Gratuitous gendered violence in movies and television Defining “manhood” as dominant and sexually aggressive Defining “womanhood” as submissive and sexually passive Pressure on men to “score” Assuming only promiscuous women get raped Assuming that men don’t get raped or that only “weak” men get raped Refusing to take rape accusations seriously Teaching women to avoid getting raped instead of teaching men not to rape Statistics 68% are not reported to police 98% rapists never spend a day in jail or prison 47% friend or acquaintance Social Media Platforms good o Disseminate information quickly (spreads) Missing items, persons Locating vehicle Safety alert o Criminals may self-incriminate By pictures posted, etc. Bad o Potential for false information o Causes panic/ copycat offenders o Attention seeking o People may think it's not an issue for the public/ not their responsibility to look out Facebook S vs B Case (example) S- no FB impact o Mental health issues o Chemical dependency and developmental disability o Impulsive and sophisticated o Sexually active and vengeful B- FB impact o Immature o Amber alert o Kids next day made fun of kid for disappearing D-random, FB impact o Kid home late and parents post on Facebook shaming messages to the child and threatening other the child may be with Computer Crime US Dept. Justice: "Any violation of criminal law that involves a knowledge of computer technology for (its) perpetration, investigation, or prosecution". o Computer is the object of crime o Computer is the subject of crime o Computer is the instrument of crime Cyber Crime (individual) Consumer fraud Cyber theft o Identity theft o Phishing: posing to be a legitimate company to get personal information Cyber aggression o Cyber stalking: victim has to feel fearful Not new! Just new ways of perpetuating new crimes Cyber Crime (Business) Hackers o Malware: trying to crash/gain system of computers o Spam: infects computers Pirating intellectual property: free online movies, books, etc. Cyber Crime (Community) Online pornography o Speed, security, anonymity o 12% of websites have some sort of porn content Gambling o 2011 justice department didn't allow commercials during sporting events o April, 2013 Nevada first online poker site only accessible by instate citizens *remember Amanda Todd story