Sec 2 G1 SCI - Ch2.4 lever

Which of the following is NOT a simple machine?

• lever
• pulley
• inclined plane
• ring

What is a simple machine?

• A device that helps reduce the amount of force required to do work
• A device that helps increase the amount of force required to do work

A simple machine that consists a rigid bar that turns around a fixed point

• lever

• pulley

• wheel and axle

• fulcrum

The point where a lever turns around is called the _______.

Levers make work ________.

• Harder
• Easier
• Alright
• OK

The diagram shows a type of lever. Identify J.

The diagram shows a type of lever. Identify K.

The diagram shows a type of lever. Identify L.

3. Which are the parts of the lever from left to right?

• fulcrum, load, effort

• load, fulcrum, effort

• effort, fulcrum, load

What are the parts of the lever from the left to right?

• fulcrum, effort, load

• load, fulcrum, effort

• effort, fulcrum, load