A. lever B. pulley C. inclined plane D. wedge 相关知识点: 试题来源: 解析 A。A 选项“lever”是“杠杆”,可以改变力的方向;B 选项“pulley”指“滑轮”;C 选项“inclined plane”意为“斜面”;D 选项“wedge”表示“楔子”。所以选 A。 反馈...
When a force is applied to an object and the object moves in the direction of the force, work is done. Which of the following is a correct expression of work in English? A. Force multiplied by distance. B. Force divided by distance. C. Distance multiplied by time. D. Distance divided...
这是物理的力的问题.."力的作用方向"的意思..这里不是指军队..可以看看这个,英文文章,说万有引力的,,http://www.astronomynotes.com/gravappl/s2.htm
网络朝着 网络释义 1. 朝着 什么意... ... In the direction of heart 飞向心中的方向turn in the direction of朝着in the direction of force 朝力的方向 ... dict.youdao.com|基于3个网页 释义: 全部,朝着
主句the direction can be changed 主谓宾结构 a force acts是The direction的同位语，用来对The direction补充说明，分析句子成分时可省略。
A. Magnitude. B. Direction. C. Color. D. Point of application. 相关知识点: 试题来源: 解析 C。原因:力的三要素是大小、方向、作用点。A 选项是力的大小;B 选项是力的方向;D 选项是力的作用点。颜色不是力的特征。涉及的物理知识是力的三要素,英语阅读技巧是对力的特征的理解。反馈...
When a force is applied to an object and the object moves in the direction of the force, work is done. Which of the following is the unit of work? A. Newton B. Joule C. Watt D. Hertz 相关知识点: 试题来源: 解析 B。本题涉及功的知识和英语词汇。功的单位是焦耳(Joule),牛顿是力...
In a direction of force which can be subjected to static material testing to a supplemental device for the production of alternating loadsVOETTER ERICH
What is the direction of the force F acting on the positive particle +q (to the right or the left? Direction of Electric Force:The electric force direction acts on a charged particle depending on the charge that the particle carries (either positive or ne...
An electric motor's normal force between stator and armature in SLIM electric motors is perpendicular to the direction of travel. 单面直线感应电机的定子和电枢的正交力与电机的运动方向垂直正交。 rayjuhoo.blog.163.com 9. In summary, Diller's advice was articulate and clearly stated, and provides...