高数:对坐标的曲线积分设有一力场,其场力的大小与作用点到 Z 轴的距离成反比,方向垂直于 Z 轴并指向 Z 轴,试求一质点沿圆弧x=cos t,y=1,z=sin t从点A(1,1,0)依t增长方向移动到B(0,1,1)时场力所作
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![高数:对坐标的曲线积分设有一力场,其场力的大小与作用点到 Z 轴的距离成反比,方向垂直于 Z 轴并指向 Z 轴,试求一质点沿圆弧x=cos t,y=1,z=sin t从点A(1,1,0)依t增长方向移动到B(0,1,1)时场力所作](/uploads/image/z/1654339-67-9.jpg?t=%E9%AB%98%E6%95%B0%EF%BC%9A%E5%AF%B9%E5%9D%90%E6%A0%87%E7%9A%84%E6%9B%B2%E7%BA%BF%E7%A7%AF%E5%88%86%E8%AE%BE%E6%9C%89%E4%B8%80%E5%8A%9B%E5%9C%BA%2C%E5%85%B6%E5%9C%BA%E5%8A%9B%E7%9A%84%E5%A4%A7%E5%B0%8F%E4%B8%8E%E4%BD%9C%E7%94%A8%E7%82%B9%E5%88%B0+Z+%E8%BD%B4%E7%9A%84%E8%B7%9D%E7%A6%BB%E6%88%90%E5%8F%8D%E6%AF%94%2C%E6%96%B9%E5%90%91%E5%9E%82%E7%9B%B4%E4%BA%8E+Z+%E8%BD%B4%E5%B9%B6%E6%8C%87%E5%90%91+Z+%E8%BD%B4%2C%E8%AF%95%E6%B1%82%E4%B8%80%E8%B4%A8%E7%82%B9%E6%B2%BF%E5%9C%86%E5%BC%A7x%3Dcos+t%2Cy%3D1%2Cz%3Dsin+t%E4%BB%8E%E7%82%B9A%281%2C1%2C0%29%E4%BE%9Dt%E5%A2%9E%E9%95%BF%E6%96%B9%E5%90%91%E7%A7%BB%E5%8A%A8%E5%88%B0B%280%2C1%2C1%29%E6%97%B6%E5%9C%BA%E5%8A%9B%E6%89%80%E4%BD%9C)
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