Simple machines: lever, pulley and inclined plane

It has a rope, a wheel and an axle.

• Pulley

• Lever

• Inclined plane

• Screw

It is a rigid bar placed on a support called “fulcrum”.

• Pulley

• Lever

• Inclined plane

• Screw

It is made up of a flat, slanting (inclinada) surface.

• Pulley

• Lever

• Inclined plane

• Screw

• Pulley

• Lever

• Inclined plane

• Screw

• Pulley

• Lever

• Inclined plane

• Screw

• Pulley

• Lever

• Inclined plane

• Screw

What is an inclined plane used for?

• It is used for moving objects up and down different levels.

• It is used for pushing an object up or down.

• It is used for lifting and lowering objects.

• It is used for joining two things together.

What is a pulley used for?

• It is used for moving objects up and down different levels.

• It is used for pushing an object up or down.

• It is used for lifting and lowering objects.

• It is used for joining two things together.

What is a lever used for?

• It is used for moving objects up and down different levels.

• It is used for pushing an object up or down.

• It is used for lifting and lowering objects.

• It is used for joining two things together.

Who studied how objects travel through air and built an accurate catapult?

• Archimedes

• Newton

• Galileo

• Copernicus