倾角α为30的光滑斜面上放一重100牛的球,用光滑挡板把球挡住,若不断改变挡板与斜面间的夹角,挡板对球的 挡板对球的作用力 大小也跟着改变 求该力范围
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/31 11:19:55
![倾角α为30的光滑斜面上放一重100牛的球,用光滑挡板把球挡住,若不断改变挡板与斜面间的夹角,挡板对球的 挡板对球的作用力 大小也跟着改变 求该力范围](/uploads/image/z/3727730-2-0.jpg?t=%E5%80%BE%E8%A7%92%CE%B1%E4%B8%BA30%E7%9A%84%E5%85%89%E6%BB%91%E6%96%9C%E9%9D%A2%E4%B8%8A%E6%94%BE%E4%B8%80%E9%87%8D100%E7%89%9B%E7%9A%84%E7%90%83%2C%E7%94%A8%E5%85%89%E6%BB%91%E6%8C%A1%E6%9D%BF%E6%8A%8A%E7%90%83%E6%8C%A1%E4%BD%8F%2C%E8%8B%A5%E4%B8%8D%E6%96%AD%E6%94%B9%E5%8F%98%E6%8C%A1%E6%9D%BF%E4%B8%8E%E6%96%9C%E9%9D%A2%E9%97%B4%E7%9A%84%E5%A4%B9%E8%A7%92%2C%E6%8C%A1%E6%9D%BF%E5%AF%B9%E7%90%83%E7%9A%84+%E6%8C%A1%E6%9D%BF%E5%AF%B9%E7%90%83%E7%9A%84%E4%BD%9C%E7%94%A8%E5%8A%9B+%E5%A4%A7%E5%B0%8F%E4%B9%9F%E8%B7%9F%E7%9D%80%E6%94%B9%E5%8F%98+%E6%B1%82%E8%AF%A5%E5%8A%9B%E8%8C%83%E5%9B%B4)
xTNA~bٰ.а;_eAh+Pi+Ԫ(@jj,M }fgv+Rbӛs}g14?~?["26?$鬓|W[)[!#Y#]J*W$SXg*\gBo)cwo82Jlmo8l#ffzNOɱ&>:
MO|XL
|>-6㓇'<h02U%"`HS"LBhXxF².(\N(i)ȯĀ{.Q/ jˀ@EQr\% inG<936n(}!eZlsoO
X@p YƉ%Pzhytzk&85E4TAsp9ɑ|,TnzE- (~vO}bVyL:U8B'ٌ%XE:»e qw