TYPES OF LEVERS

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.

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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

FULCRUMEFFORT

2nd class lever

The nutcrackers are a 2nd class lever because the load is

between the fulcrum and the effort we make.

JAVIER

LOADFULKRUM

EFFORT

JENIFER

Is a second class lever because the load is betweenThe 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.

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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

EFFORTNatalia Alonso Torre 2ºA nº1

FORKFORKIt 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.

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FR CRISTIAN

CELSO