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PE GCSE 2021 > Lever systems > Flashcards

Lever systems Flashcards

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1
Q

Example of a first-class lever (1)

A

Header in football

javelin throw

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2
Q

Example of a second class lever (1)

A

Take off for a long jump

calf rises

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3
Q

Example of a third-class lever (1)

A

Bicep curl

kicking a ball

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4
Q

Two main mechanical advantages of a lever

A
  1. To move a load faster and further than is possible without a lever
  2. To move a heavier load than be moved without a lever
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5
Q

Mechanical advantage of a 2nd class lever

A

Provides force to lift heavy loads

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6
Q

A mechanical disadvantage of a 2nd class lever

A

Small range of movement and can’t move load quickly

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7
Q

Mechanical advantage of a 3rd class lever

A

Provides speed and wide range of movement

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8
Q

Mechanical disadvantage of a 3rd class lever

A

Greater force is required

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9
Q

Sagittal plane

A

divides the LEFT and RIGHT side of the body

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10
Q

Frontal plane

A

Divides the FRONT and the BACK of the body

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11
Q

Transverse plane

A

Divides the TOP and the BOTTOM of the body

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12
Q

sagittal axis

A

Goes from the FRONT to the BACK

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13
Q

Frontal axis

A

Goes from SIDE to SIDE

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14
Q

Vertical axis

A

Goes from TOP to BOTTOM

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15
Q

the sagittal plane occurs around which axis

A

transverse axis

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16
Q

The Frontal plane occurs around which axis

A

Sagittal axis

17
Q

The transverse plane occurs around which axis

A

longitudinal axis

18
Q

Movements that occur around the sagittal plane about the frontal axis and an example in sport

A

Flexion and extension

Somersault

19
Q

Movements that occur around the transverse plane about the vertical axis and an example in sport

A

Rotation and twisting

A full twist in trampolining

20
Q

Movements that occur around the frontal plane about the sagittal axis and an example in sport

A

Abduction and adduction

Cartwheel

PE GCSE 2021 (5 decks)

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