已知一个力 F=100N ,把它分解为两个力,已知其中一个分力 F1 与 F 的夹角为 30° ,则另一个分力 F2 的最小值为 __________N 。
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
皮皮学刷刷变学霸
举一反三
【简答题】There is widespread fear among policymakers and the public today that the family is falling apart. Much of that worry stems from a basic misunderstanding of the nature of the family in the past and la...
【简答题】There is widespread fear among policymakers and the public today that the family is falling apart. Much of that worry stems from a basic misunderstanding of the nature of the family in the past and la...