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.
1 Average U.S. gas prices have declined about 52 cents per gallon since hitting a 2015 peak price of $2.80 per gallon on June 15. 2  The national average declined 26 out of 30 days in September for a total savings of 19 cents per gallon. Average gas prices this week dropped below $3 per gallon in every state for the first time since June 2009. 2  The five most expensive state averages include: Alaska ($2.96), California ($2.96), Nevada ($2.92), Hawaii ($2.89) and Utah ($2.66).