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Levers

Levers. Y10 AADP. There are 3 types of levers in the body. 1 st class 2 nd class 3 rd class (most common). Types of Levers. Fulcrum in the middle: the effort is applied on one side of the fulcrum and the resistance on the other side. Crowbar Bottle opener Can opener Moving a rock.

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Levers

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  1. Levers Y10 AADP

  2. There are 3 types of levers in the body. • 1st class • 2nd class • 3rd class (most common) Types of Levers

  3. Fulcrum in the middle: the effort is applied on one side of the fulcrum and the resistance on the other side • Crowbar • Bottle opener • Can opener • Moving a rock 1st class lever

  4. Resistance in the middle: the effort is applied on one side of the resistance and the fulcrum is located on the other side • Wheel barrow • See saw • Nutcracker 2nd class lever

  5. Effort in the middle: the resistance is on one side of the effort and the fulcrum is located on the other side. • Examples • Bicep curl • Leg extention • Tongs, tweasers 3rd class lever

  6. Lever examples

  7. Lever examples

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