Simple machines

Identify this simple machine

• Lever
• Wheel & Axle
• Inclined Plane
• Screw

Two examples of a pulley...

• knife & axe blade
• lightbulb & screw
• flagpole hoist & window blinds
• catapult & teeter totter

Which of the following does a simple machine do?

• allows the users to apply less force over a longer distance
• reduce the amount of force needed to do work
• change the direction of the applied force
• all of the above

What do you call a machine made up of two or more simple machines?

• complicated machine
• compound or complex machine
• comprehensive machine
• constructive machine

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 

Which is not a type of simple machine?

• spring
• screw
• pulley
• wedge

What type of simple machine is this?

• wheel and axle
• gear
• lever
• inclined plane

The transfer of energy that occurs when a force makes an object move is known as 

• effort
• potential 
• kinetic 
• work