WORK AND ENERGY PPTenergy physics ppt
1、第第4 4章章 功和能功和能(work and energy)一、功:1.恒力作用 直线运动?cosrFA?rFA?F?r?-描述力对空间累积效果的物理量。2.一般运动(变力作用 曲线运动)元功rfA?dd?abf?r?d?barfA?d功是过程标量;功是代数量,其正负取决于力与位移的夹角。3.性质:0 正功=900 A=0 不做功 900 A0 负功4.1 ...
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
Chapter 10: Section 2. Describe the First Law of Thermodynamics Make calculations involving changes in internal energy Create and analyze energy. ENERGY Chapter 12 Section 3. Warm-up Name different types of energy and their daily uses. Section 4 Conservation of Energy. I. Energy ...
Work and Energy What does work mean to you? Work Work= force x distance W=F x d Unit: N-m : Joule In physics, work has a very specific meaning. It is the action to make things change Work= force x distance W=F x d Unit: N-m : Joule ...
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...
1、关于功与能workandenergy第一张,PPT共三十三页,创作于2022年6月一、功:1. 恒力作用 直线运动-描述力对空间累积效果的物理量。2.一般运动 (变力作用 曲线运动)元功功是过程标量;功是代数量,其正负取决于力与位移的夹角。3.性质: 0 正功 =900 A=0 不做功 900 A0 负功4.1 功第二张,PPT共三十三页,...
Chapter 4 Work and Energy Charpter4WorkandEnergy Studytheeffectoftheproductofforceandspace 4.1Work4.2TheoremOfKineticEnergy4.3WorkOfAPairOfForces4.4ConservativeForce4.5PotentialEnergy4.6ConservativePotentialEnergy4.7ElasticPotentialEnergyOfASpring4.8ConservativeForceAttainedFromPotentialEnergy4.9Conservative...
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
大学物理第4章 功与能work and energy(1)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...