Soc-20 Levers Flashcards

1
Q

Fulcrum

A

Joint

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2
Q

Load

A

Weight

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3
Q

Effort

A

Muscle

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4
Q

First class mechanical advantage

A

Relatively small effort = Large load lifted

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5
Q

Second class mechanical advantage

A

Relatively small effort = Large load lifted

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6
Q

Third class mechanical advantage

A

Relatively large effort = Small load lifted

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7
Q

First class example

A

Nodding your head,
Tricep dip,
Oar on a boat

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8
Q

Second class lever

A

Calf raise,
Wheelbarrow,
Stapler

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9
Q

Thrid class example

A

Bicep curl,
Spade,
Kicking a football

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