Classes of Levers

A wheelbarrow is an example of a:

• 1st class lever

• 2nd class lever

• 3rd class lever

Which class of levers is the crowbar arrangement below?

• 1^st

• 2^nd

• 3^rd

• None of the above

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. 

This object is a lever class number ...

• 1

• 2

• 3

• No. It is not a lever.

In second class lever, the load is between the fulcrum and _______.

• Load

• Effort

• Stone

What class of lever does this picture show?

• First class lever

• Second class lever

• Third class lever

What class of lever does this picture show?

• First class lever

• Second class lever

• Third class lever

What class of lever is an old-fashioned scale?

• First class lever

• Second class lever

• Third class lever

What class of lever is a pair of tongs?

• First class lever

• Second class lever

• Third class lever

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What class of lever is a nutcracker?

• First class lever

• Second class lever

• Third class lever