U2L4 - Mechanical advantage and levers

What part of the human body acts as the fulcrum in all lever systems?

How many classifications of levers are there?

• 3

• 2

• 5

• 4

In which position will the fulcrum be in relation to the effort and load in a first class lever system?

• On the left

• In the middle

• On the right

Tags

NGSS.MS-PS2-2

What type of lever, useful for overcoming large loads, can be found at the ankle when a basketball player jumps for a rebound?

• First class lever

• Second class lever

• Third class lever

Which class lever is this?

• First

• Second

• Third

Which lever will always have a mechanical disadvantage?

• First

• Second

• Third

What lever type is this?

• 1st class lever

• 2nd class lever

• 3rd class lever

• Not a lever

What lever type is this?

• 1st class lever

• 2nd class lever

• 3rd class lever

• Not a lever

The arrow is pointing to...

• The load

• The effort

• The fulcrum

• The input force

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

What type of lever is this?

• 1st class lever

• 2nd class lever

• 3rd class lever

• This is not a lever but rather a cute cat

Tags

NGSS.MS-PS2-2