Machines Flashcards by James Birkbeck | Brainscape

Q

What is a machine?

A

A device for doing work

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Q

What is mechanical advantage?

A

The ratio of load to effort

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Q

Wheel and axel

What is d1 and d2?

A

d1 is the wheel

d2 is the axel

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Q

What is efficiency?

A

The ratio of the work output to work input

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Q

What is a screw jack?

A

Converts rotary motion into linear motion

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Q

What are the 2 types of pulley systems ?

A

Single and Two

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Q

What are gears?

A

Transmit motion by engaging teeth

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