Levers

WHAT ARE THE 3 MAIN PARTS OF A LEVER?

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

What is definition of the effort?

• The fixed point or pivot
• The point where the force is applied 
• The point where the weight/resistance is coming from

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. 

What class lever is a seesaw?

• 1st

• 2nd

• 3rd

What class lever is a pair of scissors?

• 1st

• 2nd

• 3rd

What class lever is a wheelbarrow?

• 1st

• 2nd

• 3rd

What class lever is a nutcracker?

• 1st

• 2nd

• 3rd

What class lever are tongs?

• 1st

• 2nd

• 3rd

What class lever is a baseball bat?

• 1st

• 2nd

• 3rd

What class lever is a pair of tweezers

• 1st

• 2nd

• 3rd