Lesson on Levers

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-PS2-2

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 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

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

• Density
• Resistance Force
• Mechanical Advantage
• Centripetal Force 

WHAT ARE THE 3 MAIN PARTS OF A LEVER?

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

WHICH IS A  FIRST CLASS LEVER?

• HAMMER
• SCISSORS 
• ALL OF THEM
• HUMAN HEAD

WHICH IS A THIRD CLASS LEVER?

• ALL BELOW
• OAR
• TWEEZERS 
• ARM