Potential Energy, Work, Kinetic Energy & Simple Machines

A flat sloping surface that connects lower and higher elevations. It makes raising objects easier.  

• wedge
• screw
• lever
• inclined plane 

An inclined plane wrapped around a rod forms this simple machine 

• lever
• pulley
• screw
• wedge 

Tags

NGSS.HS-PS2-1

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

• lever
• pulley
• wheel and axle
• fulcrum 

An axe is an example of a

• pulley
• inclined plane
• screw
• wedge 

Which is not a type of simple machine?

• spring
• screw
• pulley
• wedge

Lightbulb

• wedge
• pulley
• incline plane
• screw

The fixed point on the lever is called 

• load
• resistance
• bar
• fulcrum

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

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

The device used to raise a flag up a flag pole is an example of a 

• wheel and axle 
• lever
• inclined plane 
• pulley 

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