Point it out!
What type of simple machines is this?
second-class lever
Point out each parts of lever!
What was done to enable the load to be lifted in diagram B?
The fulcrum was moved closer to the load.
What you can conclude about the way to reduce the effort to lift the load?
The effort to lift the load is reduced when the fulcrum is placed closer to the load
What was done to enable the load to be lifted in Diagram D?
A longer lever was used to lift the load.
What can you conclude about this way to reduce the effort to lift the load?
The effort to lft the load is reduced when a longer lever is used.
What is the type of simple machines of this tools? Identify the effort, fulcrum and load!
2nd-class lever
What is the type of simple machines of this tools? Identify the effort, fulcrum and load!
first-class lever
Point out the parts of lever!
