Mechanical systems and control

What is a levee?

• Obtained when many levers are joined together.

• A mechanical system that helps us to lift, push or pull things more easily.

• Is a bar that turns around a fixed point.

What are three things that are always present whenever a lever is used?

• The effort

• The fulcrum

• The class

• The load

How does a lever work?

Tags

NGSS.MS-PS2-1

Give an equation that can be used to calculate the mechanical advantage in levers.

What is the characteristic of first-class levers?

What is the characteristic of second-class levers?

What is the characteristic of third-class levers?

What are paired levers used for?

• Squeezing

• Cutting

• Linking

• Gripping

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What are linked levers?

Tags

NGSS.MS-ETS1-1

What do we call a mechanism that uses linked levers?