Simple Machines

Which is not a simple machine?

• Pulley

• Screw

• Wedge

• Spring

Which is not a simple machine?

• Pulley

• Screw

• Wedge

• Spring

What type of simple machine is found on the cap of a jar?

• Screw

• Pulley

• Lever

• Inclined Plane

Which of these is an example of a wedge?

• Knife

• Stairs

• Skateboard

• Broom

What simple machine has a fulcrum and can be used to lift a weight?

• Pulley

• Lever

• Wedge

• Incline

Tags

NGSS.MS-PS2-2

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

• Lever

• Inclined plane

• Pulley

• Wedge

Tags

NGSS.MS-PS2-1

How can the lever be balanced?

• Add weight to the right side

• Move fulcrum right

• Add weight to the left side

• Move the heavier weight back

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

WHAT ARE THE 3 MAIN PARTS OF A LEVER?

• FOOT, EFFORT, REPORT
• FULCRUM, STRUCTURE, EFFORT
• FULCRUM, EFFORT, LOAD

For a lever to be a first class lever the fulcrum needs to be ..

• between the load and the effort
• on one side and the load and effort on the other side 
• on the same side as the load arm. 

6. What kind of lever is this?

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

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2