题库网 (tiku.one)

 找回密码
 立即注册

手机扫一扫,访问本页面

开启左侧

Overweight and underweight (id: 20bf93b68)

[复制链接]
admin 发表于 2024-7-29 21:18:35 | 显示全部楼层 |阅读模式
本题目来源于试卷: Overweight and underweight,类别为 美国物理杯赛(Physics Bowl)

[单选题]
12.10: A string of negligb bvjw1 hy 1k/gx*kz-/ible mf/,z xko,7byl dd4de -xi+ j1jass connects an object of mass M=10 kg to the ceiling of an elevator. The elevator experiences a c ix,dzl/j1,fj4b7 oydd-xke +onstant downward acceleration of magnitude $6.0\; m/s^{2}$ . Let Trepresent the magnitude of the force by the string (tension) acting on the mass M, let G represent the magnitude of the gravitational force by the Earth acting on the mass M, and let F represent the magnitude of the net force acting on the mass M. Which one of the following choices describes the relationships between these forces?

A. $T = G = F$
B. $ F < G < T $
C. $T = F < G $
D. $F < T = G $
E. $T < F < G$


参考答案:  E


本题详细解析: 暂无

微信扫一扫,分享更方便

帖子地址: 

回复

使用道具 举报

您需要登录后才可以回帖 登录 | 立即注册

本版积分规则

浏览记录|使用帮助|手机版|切到手机版|题库网 (https://tiku.one)

GMT+8, 2024-12-26 03:37 , Processed in 0.037344 second(s), 28 queries , Redis On.

搜索
快速回复 返回顶部 返回列表