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一圆盘绕通过盘心且盘面垂直的轴°以角速度ω作逆时针转动。令将两大小相等,方向相反,但不在同一条直线上的力F和-F沿盘面同时作用到圆盘上,则圆盘的角速度
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一圆盘绕通过盘心且盘面垂直的轴°以角速度ω作逆时针转动。令将两大小相等,方向相反,但不在同一条直线上的力F和-F沿盘面同时作用到圆盘上,则圆盘的角速度
A、必然减少;
B、必然增大;
C、不会变化;
D、如何变化,不能确定。
时间:2021-09-01 23:34
关键词:
青书学堂
黑龙江省教育学院
原子物理学(专升本)
答案解析
A
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