THE CORKSCREW

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description

THE CORKSCREW. SIMPLE MACHINES WITHIN A CORKSCREW. COG. COG. LEVER. LEVER. COG TEETH. LEVER. SCREW. As the levers that have cogs on the end of them move up as demonstrated here, the screw moves down. Then you turn it and it drills into the cork. - PowerPoint PPT Presentation

Transcript of THE CORKSCREW

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LEVER

LEVER

LEVER

SCREW

COG

COG

COG TEETH

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As the levers that have cogs on the end of them move up as demonstrated here, the screw moves

down. Then you turn it and it drills into

the cork.

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If you move the handles/levers around 25cm the screw moves about 2.5cm this shows that the screw moves one tenth the distance that you move the handles.

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The handle that you turn doubles as a lever to take off bottle caps. The effort x distance from the pivot point = the load x it’s distance from the pivot point. In this case the load is the bottle cap and the effort is the force you apply with your hand.

Force

Pivot point

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