Point it out!
What type of simple machines is this?
1st class lever
Identify the effort, fulcrum and load!
What is the type of simple machines of this tools? Identify the effort, fulcrum and load!
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.
How does the nutcracker make it easier for us to do work?
The nutcacker reduces te effort needed to crack a nut by multiplying the force applied
Mention the function of fixed pulley!
To change the direction of the force applied (effort)
What is the function of movable pulley?
To reduce the effort needed to move a load
A pulley system used on ship is usally called ... and ...
a block and takle
