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摩擦力是物理中的重要力之一,由于对摩擦力的理解不透,造成错解的现象较为严重,现举例分析供参考.例1随着传送带一起向上运动的粮食袋受到的摩擦力是__摩擦力,其摩擦力的方向__.
Friction is one of the important forces in physics. Due to the imprecise understanding of friction, the phenomenon of misunderstanding is more serious. Now for reference and analysis for reference. Example 1 The friction force of the grain bag moving upwards along with the conveyor belt is __ friction, the direction of its friction __.