皮皮学，免费搜题
登录
搜题
【单选题】
An uniform thin rod OA is pivoted on a frictionless hinge at one end O, as shown in the figure. The rod is held at rest horizontally and then released. When it reaches the vertical position which one is correct of following statements ( )A.
Angular velocity varies from small to big, angular acceleration remains unchanged;
B.
Bothe angular velocity and angular acceleration vary from small to big;
C.
Angular velocity varies from small to big, while angular acceleration varies from big to small;
D.
Angular velocity remains unchanged , angular acceleration equals zero.
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
【单选题】对于 传感器的静态特性,以下说法不正确的是( )。
A.
静态特性 所描述的输入输出关系中不含时间变量
B.
表征 传感器线性度的指标常采用非线性误差来描述
C.
传感器 的输入输出关系曲线越平坦，则其灵敏度越大
D.
产生 漂移的主要原因有零点漂移和温度漂移