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INGLESE

 

Simple machines

CHOIST: During this week we have made a simple machine called choist. This machine is a lifting sistem. It creates a big mechanical advantage, which means that we can move a big load with a small effort. Our choist consists of three fixed pulleys and three mobile pulleys join with a rope. Pulling the rope we lift the load.

The simple machines are:

  • Inclined plane                                                                    Mechanical advantage    (MA)

  • Lever                                                                                    MA= Load/effort

  • Screw

  • Pulley

  • Wheel and axle

  • Wedge

GLOSSARY

INGLESE

Rope

Cable

Pulley

Block

Tackle

Grooved

Housing

Rigging

Wound

Workshop

To exert

Fixed up

Hook

To lift

Threated

Effort

Load

(MA)

ITALIANO

Corda

Cavo

Puleggia

Blocco

Bozzello

Scanalato

Alloggiamento

Cordame

Avvolto

Officina

Esercitare

Risolvere

Gancio

Sollevare

Filettato

Sforzo

Carico

Vantaggio

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