Pulley-block (Noun)
Meaning
A simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope.
Classification
Nouns denoting man-made objects.
Examples
- The sailors used a pulley-block system to lift the heavy cargo onto the ship.
- A pulley-block is essential in sailing vessels to achieve mechanical advantage when lifting or pulling objects.
- In the construction site, workers employed a pulley-block to change the direction of the force applied to the rope, making it easier to move heavy loads.
- The engineers installed a pulley-block into the crane's hoisting mechanism to improve the efficiency of lifting operations.
- A single pulley-block can alter the direction of the rope's pull, allowing users to pull down instead of up when lifting an object.