Noun
pulley blocks with associated rope or cable
Source: WordNetA block and tackle can have several pulleys mounted on the fixed and moving axles, further increasing the mechanical advantage. Source: Internet
As an ideal example, using a block and tackle with six ropes and a 600 pound load, the operator would be required to pull the rope six feet and exert 100 pounds of force to lift the load one foot. Source: Internet
Block and tackle A block and tackle is an assembly of a rope and pulleys that is used to lift loads. Source: Internet
Once the barge anchored, the crew would extend the internally stowed ramp using block and tackle sets until it was resting on the water’s surface. Source: Internet
Five fixed sheaves were mounted higher up the leg, producing an arrangement similar to a block and tackle but acting in reverse, multiplying the stroke of the piston rather than the force generated. Source: Internet
The ideal mechanical advantage of the block and tackle is equal to the number of parts of the rope that support the moving block. Source: Internet