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 pulley block was attached to the top of the building to lift heavy construction materials to the desired floor.
- The rock climber utilized a pulley block system to reduce the amount of force needed to lift herself up the steep cliff.
- A pulley block arrangement was installed in the ship's rigging to raise and lower the sails efficiently.
- By using multiple pulley blocks, workers could lift massive stones into place to construct the ancient monument.
- In the physics lab, students created a simple pulley block system to demonstrate the mechanical advantage of the machine.