Simple Machines

Front

What are simple machines?

Back

Simple machines are devices that make work easier by allowing us to apply force in a more effective way. They include levers, pulleys, inclined planes, wedges, screws, and wheel and axles.

Front

What is a compound machine?

Back

A compound machine is a device that consists of two or more simple machines working together to make work easier and increase mechanical advantage.

Front

What two simple machines are used in a corkscrew?

Back

Screw and lever.

Front

How does a simple machine make work easier?

Back

By increasing the distance through which force is applied, changing the direction of applied force, or multiplying the force of the energy applied.

Front

What type of simple machine is a wheelchair ramp?

Back

Inclined plane.

Front

Identify the simple machine: A seesaw.

Back

Lever.

Front

What type of simple machine is a crane?

Back

Pulley.

Front

What is a lever?

Back

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

Front

What is an inclined plane?

Back

An inclined plane is a flat surface that is tilted at an angle to help raise or lower objects.

Front

What is a pulley?

Back

A pulley is a simple machine that uses a wheel and a rope to lift or lower objects.