WORK AND ENERGY PPTenergy physics ppt
zero 零 (?K=0) positive 正的(?K0) negative 負的(?K0) Energy Units 能量單位 [ energy 能 ] = [ work 功 ] = J 焦耳 (SI 公制) CGS: Other energy units 其他的能量單位 : eV (electron-volt): used in nuclear, atomic, molecular, solid state physics. eV (電子伏特) : 用於核子,原子...
f U U f Ui W i f dl 2 University Physics §4-4 Potential Energy Weight potential energy: U g Wg mg ( y f yi ) U g mgy yi 0,U g 0 Elastic potential energy: U s W 1 2 k ( x2 f x2 i ) Us 1 2 k x2 xi 0,Us 0 Gravitational energy: U grav Wgrav GmM (1 rf ...
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...
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Physics 5 Work
这个视频里我们讲解了动能定理的推导和局限性。, 视频播放量 0、弹幕量 0、点赞数 0、投硬币枚数 0、收藏人数 0、转发人数 0, 视频作者 HinPhysics, 作者简介 判天地之美,析万物之理。,相关视频:
Physics211–Lecture13:Work,Energy,andPower Whatisenergy?•Energyisoftendefinedastheabilitytodowork.•Therefore,energyandworkhavethesameunits:Joules Whatisasystem?•Apre-definedregionofspaceorquantityofmatterlocatedinspace•Examples•entireautomobile•engineofautomobile•pistonchamber•gasolinetankin...
General Work and Energy Equation Note: U’1-2 is the work of all external forces other than gravitational and spring forces. or For problems where the only forces are the gravitational, elastic, and nonworking constraint forces, the U’1-2-term is zero, and the energy equation becomes: or...
选集全12话 会员 第3话 人类是唯一会交易的动物。因为没有狗会拿骨头去交换。 会员 第4话 我们不必为他人隐藏本性而感到愤怒。因为你自己也在隐藏本性。 会员 第5话 他人即地狱 会员 第6话 谎言分两种。关于过去的事实上的谎言以及关于未来的权利上的谎言。