Before revision: With the dimensions shown, the mechanical advantage, W/F can be calculated as = 7.5, meaning that an applied force of 1 pound (or 1 kg) could lift a weight of 7.5 lb (or 7.5 kg).
After revision: With the dimensions shown, the mechanical advantage, W/F can be calculated as meaning that an applied force of 1 pound (or 1 kg) could lift a weight of 7.5 lb (or 7.5 kg).