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.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...
大学物理第4章--功与能(work-and-energy) 下载积分:2000 内容提示: 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: θ < 90 0 A>0 正功 θ =90 0 A=0 不做功...
文档介绍:关于功与能workandenergy第1页,讲稿共33张,创作于星期日一、功:1. 恒力作用 直线运动---描述力对空间累积效果的物理量。 (变力作用 曲线运动)元功功是期日§ 质点系的动能定理质点:m1 m2内力:外力:初速度:末速度:第18页,讲稿共33张,创作于星期日两式相加得:即: 外力的功之和+内力的功...
WORK AND ENERGY PPTenergy physics ppt
1. Visible light is an example of Electromagnetic energy 2. Change from one energy form to another is Energy transformation. Energy. Bellringer How are energy and power different? ENERGY. Energy and Work. Ch. 4 Types of Energy. Warm Up 9/19 What would require more power, running a mile ...
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 Charpter4WorkandEnergy Studytheeffectoftheproductofforceandspace 4.1Work4.2TheoremOfKineticEnergy4.3WorkOfAPairOfForces4.4ConservativeForce4.5PotentialEnergy4.6ConservativePotentialEnergy4.7ElasticPotentialEnergyOfASpring4.8ConservativeForceAttainedFromPotentialEnergy4.9Conservative...
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...