For cases like this, friction can be reduced using a lubricant, which is a material that reduces friction between two objects. Oil is an example of a lubricant. In other cases, friction can slow down a vehicle or a person.
Indeed reported the average salary for a police officer in New York is $34,000. LawEnforcementEDU.net also reported that the beginning salary for the New York City police officers is $44,744. After a few years, however the amount can increase significantly. Having served a department for five years, an officer is paid $69,005, but after five and a half years, they are compensated with $90,829.
San Francisco police chief to be nationâs highest paid, for overseeing 14th-largest force. 1  New Yorkâs chief, Joseph J. Esposito, made $201,096 in 2011. New York had 8.37 million residents in 2010, making it 10 times the population of San Francisco. And the New York Police Department is Americaâs largest force, with 34,817 officers in 2010, more than 15 times as many as in San Francisco. The Los Angeles Police Department, with 9,858 officers in 2010, currently pays its chief slightly more than Suhr.