Soc20: Levers Flashcards

1
Q

Fulcrum

A

The point around which the lever rotates (joints)

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2
Q

Load

A

The force that is applied by the lever system

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3
Q

Effort

A

A force that is applied by the user of the lever

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4
Q

Lever

A

A system of muscles and bones working together to bring about a movement

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5
Q

Lever arm

A

A rigid bar such as a bone

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6
Q

Whats in the middle of the first class lever

A

Fulcrum

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7
Q

Middle of the second class lever

A

Load

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8
Q

Middle of the third class lever

A

Effort

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