N{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/d\/d8\/Calculate-Tension-in-Physics-Step-2-Version-3.jpg\/v4-460px-Calculate-Tension-in-Physics-Step-2-Version-3.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/d\/d8\/Calculate-Tension-in-Physics-Step-2-Version-3.jpg\/v4-760px-Calculate-Tension-in-Physics-Step-2-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":760,"bigHeight":570}2考虑加速度。m1=10kg和m2=5kg。10kg的重物向下而5kg的向上。