Complex Machines

Complex Machines

What is a complex machine?

A device consisting of two or more simple machines working together.

But first, let's review. What are the 6 types of simple machines?

Multiple Select

Which of these are simple machines?

• Bicycle, Stapler, Corkscrew, Wheelbarrow, Scissors

• Pulley, Inclined Plane, Wedge, Screw, Lever, Wheel & Axle

The 6 Types of Simple Machines are:

• Inclined Plane

• Pulley

• Wedge

• Screw

• Lever

• Wheel & Axle

Multiple Choice

What is a complex machine?

• A piece of equipment with a system of parts that work together to do or make something.

• A device consisting of two or more simple machines working together.

• Measure of energy transfer that occurs when an object is moved over a distance

Wheelbarrow

It consists of 2 levers and wheel & axle.

Scissors

It consists of a wedge and a lever.

Multiple Choice

What simple machines are found in a wheelbarrow?

• Wheel & axle, Lever

• Pulley, Inclined Plane

• Wedge, Lever

Multiple Select

What simple machines are found in scissors?

• Lever

• Pulley

• Wedge

Corkscrew

It consists of a screw and two levers.

Stapler

It consists of a lever and a wedge.

Bicycle

It consists of levers, pulley and wheel & axle.

Multiple Choice

It is a complex machine that consists of a lever & screw

Multiple Select

What simple machines are in a stapler?

• Pulley

• Lever

• Wedge

Multiple Select

What simple machines are in a bicycle?

• Wheel & Axle

• Lever

• Pulley

• Wedge