Understanding Levers

What is the primary function of a lever?

• To lift or move loads

• To measure weight

• To create energy

• To generate electricity

In a first class lever, where is the fulcrum located?

• At the effort

• At one end

• In the center

• At the load

Which of the following is an example of a second class lever?

• Seesaw

• Tweezers

• Scissors

• Bottle opener

In a third class lever, where is the effort applied?

• In the middle

• At the fulcrum

• In the center

• At one end

Which of the following is a third class lever?

• Scissors

• Baseball bat

• Seesaw

• Bottle opener