如图所示,某同学探究两个互成角度力的合成规律。轻质小圆环挂在橡皮条一端,另一端固定在a点。通过两个弹簧测力计共同拉动小圆环。小圆环受到力f1 Template


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tomski如图所示,某同学探究两个互成角度力的合成规律。轻质小圆环挂在橡皮条一端,另一端固定在a点。通过两个弹簧测力计共同拉动小圆环。小圆环受到力f1 coloring