What is a simple machines?

• Simple machines are mechanical devices that change the direction

• Simple machines are living organisms

What is a complex machines?

• Machines that only have one moving part.

• Machines that consist of two or more simple machines working together.

Which the example of complex machines?

• Scissor

• Pulley

• Aircraft

What are some uses of simple machines?

• Simple machines are used for painting walls

• Simple machines are used for playing music

• Simple machines are used for tasks such as lifting, moving, cutting, holding, and transporting objects.

What are some uses of complex machines?

• Complex machines are used for painting artwork

• Complex machines are used for cooking meals

• Complex machines are used in manufacturing processes, transportation systems, construction projects.

The following are simple machines, except:

• Lever.

• Pulley.

• Robots.

• Wheel and axle

The computer is considered a complex machine because:

• It has only one point of support.

• It has many parts.

• It is easy to use it.

A slide is an example of:

• an inclined plane.

• A lever.

• The pulley.

• The wheel and the axle.

A see saw is an example of:

• a lever.

• an inclined plane.

• a pulley.

• a screw.

Which type of simple machine is shown in the picture?

• screw

• pulley