一、运动的合成与分解例1如图1所示,在不计滑轮摩擦和绳子质量的条件下,当小车匀速向右运动时,物体A的受力情况是()A.绳子的拉力大于A的重力B.绳子的拉力等于A的重力C.绳子的拉力小于A的重力D.绳子的拉力先大于A的重力,后变为小于A的重力图114高三2008理.1化0生错误解答1汽车和 First, the synthesis and decomposition of the movement Example 1 As shown in Figure 1, without considering the friction of the pulley and the quality of the rope, when the car moves to the right at a constant speed, the force of the object A is () A. The tension of the rope is greater than A The gravity B. The rope’s tension is equal to A’s gravity C. The rope’s tension is less than A’s gravity D. The rope’s tension is greater than A’s gravity first, and later becomes less than A’s gravity diagram. 114 Gao San 2008.1. 1 car and