Simple Machines: Levers

An example of a lever is a ...

• pulley
• bicycle 
• scissors 
• screw 

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

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. 

A good example of a second class lever is the ...

• Can-opener
• Wheelbarrow 
• hammer 
• tongs 

A force multiplier is a simple machine that multiplies your ...

• strength 
• effort 
• load 
• speed 

Tags

NGSS.MS-ETS1-2

Which of the following is an example of a screw?

• hammer
• spiral staircase
• axe
• knife

In a first class lever, the _____ is in the middle.

• Effort
• Fulcrum
• Load
• Machine

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

In a second class lever, the ______ is in the middle.

• Effort
• Fulcrum
• Load
• Machine

In third class levers, the ______ is in the middle. 

• Effort
• Fulcrum
• Load

Tags

NGSS.MS-PS2-2

Which simple machine is really a modified version of the inclined plane?

• Pulley
• Lever
• Wedge
• I don't know

The flag pole mechanism is an example of which simple machine? 

• Inclined Plane
• Lever
• Wedge
• Pulley

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1