Physics Work & 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

An inclined plane wrapped around a rod forms this simple machine 

• lever
• pulley
• screw
• wedge 

A simple machine that consists a rigid bar that pivots about a fixed point

• lever
• pulley
• wheel and axle
• fulcrum 

A seesaw is an example of a  

• wedge
• lever 
• inclined plane 
• pulley 

Stairs are an example of which type of simple machine?

• wedge
• pulley
• inclined plane
• wheel and axle

The gray device being pounded into the block is which type of simple machine?

• wedge
• lever
• incline plane
• wheel and axle

Name this simple machine. 

• Pulley
• Wheel and Axle
• Inclined Plane
• Lever

Name this simple machine. 

• Wheel and Axle
• Lever
• Pulley
• Wedge