Levers, Work, AMA, and Power

WHAT ARE THE 3 MAIN PARTS OF A LEVER?

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

WHAT ARE THE 3 MAIN PARTS OF A LEVER?

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

A see saw is an example of a:

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

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

• Load
• Effort
• Stone

What type of lever

• First Class Lever

• Second Class Lever

• Third Class Lever

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.

Simple machines make the work we have to do easier, but it is still the same amount of work.

• TRUE
• FALSE

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