A pulley makes work easier by redirecting and amplifying force. It helps reverse the direction of an individualâs lifting force. As a user pulls a rope down, the pulley lifts the weight up. When two ropes and wheels are used, a pulley reduces the effort needed to lift a weight by half.
Compare Juneau natural gas costs to overall U.S. average costs. On a year-over-year basis, residential natural gas prices in Juneau (Alaska) increased approximately 6%, from 9.63 $/Mcf (April 2016) to 10.24 $/Mcf (April 2017). â Natural gas prices listed as zero are not currently available.
Todayâs Gas Prices (Dec. 31, 2012). 1  Todayâs national average price of gasoline is $3.29 per gallon, which is 4.5 cents more than a week ago and 1.6 cents more than a year ago. 2  The five states with the highest prices include: Hawaii ($3.99), N.Y. ($3.74), Conn. ( 3 $3.68), Calif. ( 4 $3.57) and Vt.