block and tackle

• Sistema de poleas y cuerda o cable utilizado para levantar cargas pesadas, común en contextos mecánicos o marinos. También se usa en sentido figurado para referirse a los recursos o medios básicos necesarios para llevar a cabo una tarea.

A system of pulleys and ropes used for lifting heavy loads, often in mechanical or nautical contexts. Also used figuratively to refer to the basic tools or essentials needed to accomplish a task.

1. Pulley systemC1formal

   A system of pulleys and ropes used to lift heavy loads with less force.

   Polipasto

   • The workers used a block and tackle to lift the steel beam.
   • A block and tackle can multiply the force applied by the user.
   • The sailors rigged a block and tackle to hoist the sail.