Levers and Pulleys vocabulary

Vocabulary terms and definitions related to the mechanics and real-world applications of levers and pulleys based on Worksheet 7.1 to 7.4.

Lever

A rigid bar that pivots on a fixed point called a fulcrum, used to move an object by applying force.

Fulcrum

The fixed point on which a lever pivots.

Effort

The force applied to a lever or simple machine.

Load

The object being moved by a lever or simple machine.

Pulley

A simple machine featuring a wheel on an axle with a groove for a rope or cable, used to make lifting or lowering loads easier.

Directional Change (Fixed Pulley)

The movement occurring when you pull down on the rope of a fixed pulley attached to a ceiling, resulting in the load moving upward.

Block and tackle

A system using two pulleys that makes lifting a heavy box easier than using just one, providing mechanical advantage.

Flagpole

A real-world item that primarily uses a pulley.

Nutcracker

A real-world item that primarily uses a lever.

Blinds on a window

A real-world item that primarily uses a pulley.

See-saw

A real-world item that primarily uses a lever.