CLASSIFICATION OF DIFFERENT OBJECTS LIKE FIRST, SECOND OR THIRD CLASS LEVERS
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Language: en
Added: Jun 08, 2011
Slides: 15 pages
Slide Content
Which class of levers are
these objects?
2º ESO A
BILINGUAL SECTION
The crowbar
We use the crowbar to make
force for up objects or things.
We use it to help us with
somethings that need an extra
effort, too.
EE
FF
LL
Enrique García Ortea. Second ESO A BILINGUAL SECTION.
The crowbar is a FIRST CLASS LEVER because it has the fulcrum
between the effort and the load.
Crowbar means PALANCA
Third class lever
Bárbara González Roces
Women with a flag
Is the therth lever Is the therth lever
The fulcrum is in the hand that is
Below, the load is in beak of the flat
and the effort is in the hand that is
up.LUCÍA
CANELLA
NUTCRACKERS
LOAD
FULCRUM
EFFORT
2
nd
class lever
The nutcrackers are a 2nd class
lever because the load is
between the fulcrum and the
effort we make.
JAVIER
LOAD
FULKRUM
EFFORT
JENIFER
Is a second class lever because
the load is between
The fulcrum and the effort. The
hands are the effort because it
makes force, the fulcrum is the
wheel because it support the
wheel barrow and the load is in
the middle.
SAMUEL
The object is a
broom. It is a third-
class lever because
the fulcrum is in a
side, the resistance
is in the other side,
and the effort is in
the middle.
F
E
R
CRISTIAN
This a first class,
because the girl is
the load .The
fulcrum it`s in the
middle of the see
saw. And the effort
it`s the boy .
LOAD
FULCRUM
EFFORT
Natalia Alonso Torre 2ºA nº1
FORKFORK
It is a first class lever.
It has the load in the left, the
fulcrum in the middle and the
effort in the right
It has the fulcrum in the middle.
Andrea Díaz García
It is a second class lever.
It has the fulcrum in the
left, the load in the middle
and the effort in the right.
It has the fulcrum in
the left.
ANDREA
Unit 7: mechanisms
THE PLIERS
It is a first class lever because:
The fulcrum is in
the middle.
We put the load
on the left.
And we apply the
efforce on the right.
IRENE COTO
The tweezers is the
third class lever,
because, the effort
is in de tweezers,
fulcrun is the hand
and the load y the
the object catch the
tweezrs.