Simple Machines and Levers

Front

simple machine

Back

A device that makes work easier by changing the direction or magnitude of a force.

Front

lever

Back

A rigid bar that pivots around a fixed point to move a load with less effort.

Front

Fulcrum

Back

the point on which a lever rests or is supported and on which it pivots.

Front

Class 1 lever

Back

a type of lever which has the fulcrum in between the weight and the force applied.

Front

Class 2 lever

Back

a lever where the load is between the fulcrum and the effort

Front

Class 3 lever

Back

levers in which the fulcrum is at one end and the force is applied in the middle and the weight is on the other end

Front

Wheel and Axle

Back

A wheel and axle is a simple machine consisting of a wheel attached to a smaller axle, allowing them to rotate together to amplify force.

Front

Pulley

Back

A simple machine consisting of a wheel with a groove for a rope, used to lift heavy objects.

Front

Inclined Plane

Back

A flat surface tilted at an angle to help move objects up or down with less effort.

Front

Wedge

Back

A simple machine that consists of two inclined planes joined together.