A pulley is a simple machine using a wheel and a cord that's designed for lifting. A pulley is a simple machine using a wheel and a cord that's designed for lifting. Pulleys help make work easier by ...
Explains how pulleys work to lift heavy weights more easily. A fixed pulley changes the direction of force, allowing for easier lifting, while a movable pulley reduces the amount of force needed to ...
All serious sport-fishing boats sport a pair of outriggers in order to widen the spread and get more lines trolling behind the boat. Most boats over 50 feet now come with a set of triple-spreader ...