What is the name of the Archimede´s machine used to raise water?
The screw of Archimedes
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15
Who said? All objects attract each other with a force that is directly proportional to the product of their masses and inversely proportional to their distance.
Newton
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15
What type of complex machine is this object?
Pedal (crank)
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15
What type of complex machine is this object?
Corkscrew (rack and cog)
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15
Which class of lever is it?
Class 1
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15
How do cogs and chains work together?
When we turn on cog it transmits movement to the other cog thanks to the chain. Both same direction
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boom
Lose 50 points!
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fairy
Take points!
5
10
15
20
25
gift
Win 20 points!
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lifesaver
Give 25 points!
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15
What is the name of the Archimede´s machine used to sink boats?
The claw of Archimedes
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15
____________ can help us lift objects more easily by changing the direction of the force
Pulley
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15
Why did Archimedes designe the claw?
To defend his native city, Syracuse from Roman attack
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15
It is a bent lever that transmits its movement to an axel
Crank
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15
How does rack and cog work together?
When the cog turns, the rack moves in a straight line.
