这是一道初中物理题,请为我生成中文的教学讲解视频。---**Extraction Content:** **Question Number:** 11 **Quote:** “环境关系你我他,垃圾分类靠大家” **Scenario Description:** 如图所示为小区里设置的分类垃圾桶的杠杆原理图。 (The figure shows the lever principle diagram of a classified trash can set up in a residential area.) **Given Data:** * AB = 16 cm * BC = 48 cm * DE = 20 cm * EF = 60 cm * D and B are pivot points respectively. * The trash lid weighs 10 N. * The mass of the lid is uniformly distributed. **Question:** 要将桶盖打开, 则脚对踏板A处的压力F_压应大于多少? (To open the trash lid, the pressure F_压 exerted by the foot on pedal point A should be greater than what value?) **Diagram Description:** * Type: Schematic diagram illustrating the lever mechanism of a trash can with a foot pedal. * Elements: Represents a trash can body, lid, and pedal linkage. * Points: Labeled points are A, B, C, D, E, F. * Point A is on the foot pedal. * Point B is a pivot point for the pedal lever. * Point C is a connection point on the pedal lever, connected by a vertical line to a point C on the lid lever. * Point D is a pivot point for the lid lever, located near the back hinge of the lid. * Point E is located on the lid, between points D and F. * Point F is located on the lid, near the front edge. * Forces: A downward arrow labeled F_压 is shown at point A. The weight of the lid (10 N) acts downwards at point E. An upward force is transmitted from the pedal lever via the vertical connection to the lid lever at point C. * Lever Arms: The given lengths AB=16 cm and BC=48 cm relate to the pedal lever system (pivot B). The given lengths DE=20 cm and EF=60 cm relate to the lid lifting mechanism (pivot D). The distance CD on the lid lever is not explicitly given but is crucial for calculation. * Pivots: Points B and D are indicated as fulcrums. * Other Labels: A recycling symbol is shown inside the trash can body. "第11题图" (Figure for Question 11) is printed below the diagram. * Relative Positions: Points A, B, C appear roughly collinear, with B between A and C based on the diagram. Points C, D, E, F appear roughly collinear on the lid lever, with D as the pivot, C between D and E, and E between C and F (or between D and F).

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