Levers

1. A _________is a simple machine with a fulcrum and a rigid bar.

• Pivot
• Lever
• Wedge

Tags

NGSS.MS-PS2-2

2. The place where a lever pivots is called the _______.

• Pivot point
• Tissue
• Fulcrum

3. Which type of lever is this?

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

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

We use levers to make work easier.?

• True
• False

Tags

NGSS.MS-PS2-1

How many types of levers are there?

• 1
• 2
• 3
• 4

A see saw is an example of a:

• 1st class lever
• 2nd class lever
• 3rd class lever

If you want to decrease the effort force when using a lever, where will you move the fulcrum? 

• Closer to the object you want to move
• Farther away from the object you want to move
• You don't move the fulcrum, you move the effort force
• None of these answers 

This is the amount of times a machine multiplies the effort force used. 

• Density
• Resistance Force
• Mechanical Advantage
• Centripetal Force 

Tags

NGSS.MS-ETS1-1

When using a lever, your work is made easier.  However, what does the simple machine make you do in order to make this work easier? 

• Move the resistance arm a greater distance 
• Move the effort arm a greater distance 
• Move the fulcrum to the middle 

#2 

• Fulcrum
• Effort Arm
• Resistance Arm 
• Effort Force