Soc 20 Flashcards

1
Q

^ / joint of a leaver

A

Falcrum

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2
Q

Weight of the leaver

A

Load

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3
Q

Muscle of the lever

A

Effot

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4
Q

Fulcrum

A

The point arount which the lever rotaits

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5
Q

Load

A

The force that is aplyed by the leaver systam

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6
Q

Effot

A

The force that is aplyed by the user of the leaver

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7
Q

Axis

A

An imagenary streat line around wich the bodyor object rotaits

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8
Q

Mechanical advantage

A

a large load can be lifted with a relatively small amount of effort (applies to first and second class levers).

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9
Q

Mechanical disadvantage:

A

third class levers cannot lift as heavy a load with the same amount of effort, due to the position of the effort and load from the fulcrum.

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10
Q

1st class leaver =

A

1st class leaver = fulcram in the middle

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11
Q

2nd class leaver =

A

2nd class leaver = load in the middle

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12
Q

3rd class leaver =

A

3rd class leaver = effort in the middle

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13
Q

1st class lever sporting exarmple

A

Noding you head or trysep dip because the fulcram is in the middle

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14
Q

2nd class lever sporting exarmple

A

Calf raise because the load is in the middle

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15
Q

3rd class lever sporting exarmple

A

Bisep cerl or kicking a football because the effot is in the middle

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