TYPES OF LEVERS. IDENTIFICATION OF EFFORT, LOAD AND FULCRUM IN DIFFERENT OBJECTS.

1. LEVERS
Levers are simple machines. They are used to do
work with the least amount of effort.
There are many objects we use daily that are levers.
In this presentation, the students of the second year
show to us some examples of them.

2. Fulcrum
Effort
Load
A crane is a
machine used
for elevating
things and
distribute loads
suspended on a
hook
Alejandro González
Martínez

3. FORK
It’s a third class lever.
LOAD
EFFORT
FULCRUM
A fork is used to eat. SERGIO ALLER / 2ªA

4. The fishing rod is used for catching
fishes on the water. Mar González Martín
EFFORT
LOAD
FULCRUM
Ii is a third class lever.

5. It is a third class lever.
The effort is in the middle.
The load is at the end of the arm.
The fulcrum is at the end of the arm.
Iván Llaneza

6. It is used for moving heavy objects
from one place to another.
A crowbar is a first class
lever.
Mar González
Effort
Fulcrum
Load

7. WHEELBARROW
It´s used to move material from one
place to another with less effort.
FULCRUM
LOAD EFFORT
Sara Sampedro Castro
It´s a second class lever

8. .
LOAD
EFFORT
FULCRUM
It´s used to cut things
with less effort.
It´s made of steel and
plastic.It´s triangular.

9. FULCRUM
LOAD
EFFORT
It’s used to
play; when a
child is up,
the other
child is down.
The seesaw it’s a first class lever.
Celia Majano
2ºA

10. EFFORT
LOAD
FULCRUM
It’s a third class lever.
A stapler is used to hold
several papers together.
Celia Majano 2º ESO A

11. LoadFulcrum
Effort A springboard is a second class
lever.
The springboard is usually
used for jumping, and doing
some acrobaties.
Martín Suárez Molina

12. Effort
Fulcrum
Load
This tool is very useful for doing works in contructions, for
example workers can use it for doing cement or for put it on a
wheelbarrow.
It’s is a second
class lever

13. Clothes peg
When you are looking for a lever in a
clothes peg, you can find two types: the
first and the third class lever.
The clothes peg has a very simple use;
it holds our clothes when they are
drying.
Olái
EFFORT LOAD

14. WHEELBARROW
It´s used to move material from one
place to another with less effort.
FULCRUM
LOAD EFFORT
Sara Sampedro Castro
It´s a second class lever

15. Lucía Soto 2º ESO B
This is a
tweezers, it is
in a third class
of lever.
F
L
Fulcrum
It’s used to pluck.

16. Hammer
Daniel Correa
Mier
This is a hammer.
It’s a second class
lever.
LOAD
EFFORT
FULCRUM

17. Pliers are a first classPliers are a first class
leverlever
Pliers are a hand toolPliers are a hand tool
used to hold objectsused to hold objects
firmly, they are alsofirmly, they are also
useful for bending anduseful for bending and
compressing a widecompressing a wide
range of materials.range of materials.
PLIERSPLIERS
Pliers means alicates inPliers means alicates in
Spanish.Spanish.
FulcrumFulcrum
EffortEffort
LoadLoad

18. LOAD
FULCRUM
EFFORT
It´s used for sweep and a clean the house.
It has rectangular and triangular shape.
It´s made of wood.
JAIRO MORENO MARTÍNEZ