Simple Machines

Front

What is a simple machine?

Back

A device that changes the direction or magnitude of a force.

Front

Name the six types of simple machines.

Back

Lever, Wedge, Wheel and Axle, Pulley, Inclined Plane, Screw.

Front

What is a lever?

Back

A simple machine that consists of a rigid bar that pivots around a fixed point called the fulcrum.

Front

What is a wedge?

Back

A simple machine that is a triangular-shaped tool used to separate two objects or portions of an object.

Front

What is a wheel and axle?

Back

A simple machine consisting of a larger wheel attached to a smaller axle, allowing for easier movement.

Front

What is a pulley?

Back

A simple machine that consists of a wheel on an axle or shaft designed to support movement and change the direction of force.

Front

What is an inclined plane?

Back

A flat surface that is tilted at an angle to help raise or lower objects.

Front

What is a screw?

Back

A simple machine that is an inclined plane wrapped around a cylinder or cone.

Front

How does a lever work?

Back

By applying a force at one end of the lever, the lever pivots around the fulcrum, allowing a smaller force to lift a heavier load.

Front

What is mechanical advantage?

Back

The ratio of the output force produced by a machine to the input force applied to it.