皮皮学，免费搜题
登录
搜题
【单选题】
应用物理知识分析生活中的常见现象,可以使物理学习更加有趣和深入。例如你用手掌平托一苹果,保持这样的姿势在竖直平面内按顺时针方向做匀速圆周运动。关于苹果从最高点c到最右侧点d运动的过程,下列说法中正确的是( )A.
苹果先处于超重状态后处于失重状态
B.
手掌对苹果的摩擦力越来越大
C.
手掌对苹果的支持力越来越小
D.
苹果所受的合外力越来越大
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】We are carrying out market research in the north and the midlands from 22nd to 26th. ______ .
A.
We have done the research in the north and the midlands.
B.
We haven't done the research in the north and the midlands yet.
C.
We have decided not to do research in the north and the midlands
【单选题】Applesproduced in the north. are more delicious than _______produced in the south.
A.
ones
B.
one
C.
that
D.
those
相关题目：