相关知识点: 试题来源: 解析 B。功(work)的公式是 W = Fd,其中 F 是力(force),d 是位移(displacement)。A 选项没有这个公式;C 选项 W = Fv 是功率的公式;D 选项 W = F/t 也没有这个公式。本题考查功的公式对应的英语表达。反馈 收藏
its a crazy life its a fast food resta its a fine day today its a force that appe its a great country its a hassle its a little coincide its a long road its a lovely morning its a once in a lifet its a physical match its a poor heart that its a right that i de its a small...
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a Displacement is larger and the frequency is smaller, the output voltage and electrical energy of the piezoelectric element will be higher. As shown in the table 2, when the displacement and frequency are (5, 0.4), the maximum voltage and the maximum electrical energy of the capacitance is ...
It is displacement possible vis-a-vis the injection device null injection device < Topic >SolutionsThis invention, being the injection device, adjusts the dosage which it should prescribe from the bi- Al holder 1 which is displacement possible and the injection device the device which receives ...
解析 = 36 The displacement vector is D= (PQ)=2,5,2, so by Equation 12, the work done is(split) W&= F⋅ D=3,4,5⋅ 2,5,2\&=6+20+10=36(split)If the unit of length is meters and the magnitude of the force is measured in newtons, then the work done is 36 J....
结果1 题目In mechanical engineering, the term "stress" is defined as: A. Force divided by area B. Displacement divided by time C. Velocity divided by acceleration D. Work divided by E. nergy 相关知识点: 试题来源: 解析 A 反馈 收藏 ...
Method for displacing a moving body (4) in which a force (F) is determined, which when applied to the body ensures that it will move the exact distance intended within the intended time and in addition the elements (MA1-MA3, 4) caused to move by the displacement of the body will be ...
Force-displacement curves realizing device for rehabilitation and fitness device, has mobile roll that is positively-driven by suitable guide in path, where ... HAAG STEFAN,KLINGLER SONJA,SUM JAKOB,... 被引量: 0发表: 2009年 Development of rehabilitation device for hemiplegic fingers by finger-ex...
Asseration : A body is moved fromx=2tox=1under a force F =4x, the work done by this force is negative. Reason : Force and displacement are in opposite directions . View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Cla...