Pulley (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 worker used a pulley to lift the heavy crate onto the truck by changing the direction of the force he applied to the rope.
- The climber secured herself to the rock face using a pulley system to help her ascend the steep slope.
- The sailboat used a complex pulley system to control the movement of the sails and maximize speed.
- The construction team employed a pulley to move the heavy steel beam into place on the building's framework.
- In the physics lab, the students built a simple pulley using a wheel and rope to demonstrate the concept of mechanical advantage.