Simple Machines

Front

What is a simple machine that can split things apart or hold a door open?

Back

Wedge

Front

What is a grooved wheel with a rope running along the groove?

Back

Pulley

Front

What type of simple machine is a wheel and axle?

Back

A simple machine that consists of a wheel attached to a rod, allowing it to turn together.

Front

What is a sloping surface that reduces the amount of force needed to lift an object?

Back

Inclined Plane

Front

What simple machine is used to lift heavy objects by turning a screw?

Back

Screw

Front

What is a lever?

Back

A simple machine that consists of a bar that pivots on a fixed point called a fulcrum.

Front

What is the purpose of a pulley?

Back

To change the direction of a force and make lifting easier.

Front

What is an example of a wedge?

Back

A knife or an axe.

Front

What is the function of an inclined plane?

Back

To allow heavy objects to be raised with less effort.

Front

What is a gear?

Back

A rotating machine part with teeth that mesh with another gear to transmit motion.