Levers

WHAT ARE THE 3 MAIN PARTS OF A LEVER?

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

Levers make work ________.

• Harder
• Easier
• Alright
• OK

Which of the levers would be the easiest to lift the load?

• A

• B

• C

This is the object that needs to be lifted

• Resistance

• Load

• Force

• Fulcrum

Tags

NGSS.MS-ETS1-1

Define Levers

• Simple machines that help us apply force

• Point on which things rotate or are balanced i.e. joints in the human body

• The thing that needs to be moved

• The thing that is applied to move the load e.g. muscles

Define Axis/fulcrum/pivot

• Simple machines that help us apply force

• Point on which things rotate or are balanced i.e. joints in the human body

• The thing that needs to be moved

• The thing that is applied to move the load e.g. muscles

Define Effort/Force

• Simple machines that help us apply force

• Point on which things rotate or are balanced i.e. joints in the human body

• The thing that needs to be moved

• The thing that is applied to move the load e.g. muscles