simple machine

Identify this simple machine

• Lever
• Wheel & Axle
• Inclined Plane
• Screw

An inclined plane wrapped around a rod forms this simple machine 

• lever
• pulley
• screw
• wedge 

An axe is an example of a

• pulley
• inclined plane
• screw
• wedge 

A seesaw is an example of a  

• wedge
• lever 
• inclined plane 
• pulley 

Name this simple machine.

• Lever

• Wedge

• Pulley

• Inclined Plane

This picture is an example of a _________.

• pulley
• wedge
• wheel and axle
• screw

What type of simple machine are these people using to move the wheel chair into the school bus?

• Lever

• Inclined plane

• Pulley

• Wedge

3. Which type of lever is this?

• First Class Lever
• Second Class Lever
• Third Class Lever

6. What kind of lever is this?

• First Class Lever
• Second Class Lever
• Third Class Lever

How much force would be needed to lift the 150 N weight? Remember, you need to divide the original force by the number of pulleys.

• 300 N
• 150 N
• 75 N
• 25 N