WORK AND ENERGY PPTenergy physics ppt
6. Work, Energy Power 功,能和功率 Work 功 Forces that Vary 會變化的力 Kinetic Energy 動能 Power 功率 What’s the speed of these skiers at the bottom of the slope? 這兩個滑雪人抵達山坡底時的速率為何? Does the work of climbing a mountain depend on the route chosen? 爬一個山所作的功...
Chapter 4 Work and Energy.ppt,发 Charpter4 Work and Energy Study the effect of the product of force and space 4.1 Work 4.2 Theorem Of Kinetic Energy 4.3Work Of A Pair Of Forces 4.4 Conservative Force 4.5 Potential Energy 4.6 Conservative Potential Ener
Energy. A. Energy Definition The ability to do work. Potential and Kinetic Energy Energy: is the ability to do work. Energy Chapter 4. ENERGY The measure of the ability to do work Conservation of energy -energy can change forms but can not be destroyed -the total amount of energy in the...
Energy Ability to do work Energy, Work, and Power Principles of EngineeringTM Unit 1 – Lesson 1.2 – Work, Energy, and Power Ability to do work Light, heat, mechanical, chemical, and electrical forms of energy can all be used to exert a force for a distance. Roller coaster NASA solar...
高二物理竞赛课件:功能原理 (Work-Energy Theorem)功能原理(Work-EnergyTheorem)功能原理(Work-EnergyTheorem)功能原理实际上是系统动能定理的变形。由质点系的动能定理:A合A外力A非保守内力A保守内力EkEk2Ek1 第一个质点:A(合1)=Ek(12)E(1)k1 第二个质点:A(合2)=Ek(22)E(2)k1 ••••...
大学物理英文课件7 Kinetic Energy and Work 71 EnergyA more powerful technique for analyzing motion than Newtons law of motionEner
第4章功和能(workandenergy)§4.1功 一、功:---描述力对空间累积效果的物理量。1.恒力作用直线运动 θ<900A>0正功θ=900A=0不做功θ>900A<0负功2.一般运动(变力作用曲线运动)元功 3.性质:功是过程标量;功是代数量,其正负取决于力与位移的夹角。4.直角坐标系下的功:5.合力的功 合力的功等于各...
OPEN SYSTEM OPEN SYSTEM:: Mass and energy freely moves in Mass and energy freely moves in and out between the system and the surrounding and out between the system and the surrounding ISOLATED SYSTEM ISOLATED SYSTEM:: No interaction between the No interaction between the ...
Kinetic Energy and Work; Potential 动能和工作潜力.ppt,Kinetic Energy and Work; Potential Energy;Conservation of Energy. Lecture 07 Thursday: 5 February 2004 WORK Work provides a means of determining the motion of an object when the force applied to it is