Differential pulley load, and an endless rope looped around the pulleys. To avoid slippage, the rope is usually replaced by a chain, and the connected pulleys by sprockets. The two sections of chain carrying the single pulley exert opposing and unequal torques on the connected pulleys, such that only the "difference" of these torques has to be compensated manually by pulling the loose part of the chain. This leads to a mechanical advantage: the force needed to lift a load is only a fraction of the load's weight. At the same time, the distance the load is lifted is smaller than the
Skip a Rope Skip a Rope "Skip a Rope' is a 1967 single by Henson Cargill. The single was Cargill's debut release on the country charts and also his most successful single. "Skip a Rope" was Cargill's sole No. 1 on the country charts, spending five weeks at the top and a total of 16 weeks on the chart. "Skip a Rope" crossed over to the Top 40, peaking at No. 25. The song asked listeners to pay attention to what children would say as they played. It touched on, among other things, verbal spousal abuse, tax evasion and racism, and at the