物理专业英语名词解释

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1、专业英语partonemechanics力学chapter1kinematics—uniformlyacceleratedmotion运动学，匀加速运动frameofreference:参照系positionvectoranddisplacement位置向量和位移speedvelocity速度instantaneousvelocity瞬时速度velocitycomponents速度分量acceleration加速度graphicalinterpretation图像释义uniformlyaccele

2、ratedmotionalongastraightline匀加速直线运动accelerationduetogravity(g)重力加速度projectileproblems落体问题relativemotion相对运动chapter2dynamics--newton'slawsofmotion动力学-牛顿运动定律generalpropertiesofforcesinmechanics:力的基本性质1thelawofuniversalgravitation万有引力定律2theweight重量3thet

3、ensileforce拉力4thenormalforce法向力5thefrictionforce摩擦力6dimensionalanalysis三维分析chapter3equilibrium平衡concurrentforces共点力areforceswhoselinesofactionallpassthroughacommonpoint.theforcesactingonapointobjectareconcurrentbecausetheyallpassthroughthesamepoint,th

4、epointobject.equilibrium平衡rigidbody刚体thetorque(ormoment)转矩或力矩thetwoconditionsforequilibrium平衡的两个条件thecenterofgravity重心axis轴chapter4workandenergy功和能kineticenergy(ke)动能conservativeforce保守力⑵gravitational(weight)potentialenergy(peg)重力（重量）势能⑵elasticpotenti

5、alenergy弹性势能theefficiency效率chapter5impulseandmomentumthelinearmomentum冲量与动量animpulse冲量collisionsandexplosions碰撞和爆炸aperfectlyelasticcollision完全弹性碰撞4/4专业英语coefficientofrestitution恢复系数thecenterofmass重心chapter6rotation转动theangularspeed角速度theangularacceler

6、ation角加速度tangential【数】切线;正切centripetalacceleration()加速度thecentripetalforce向心力chapter7rigid-bodyrotation刚体转动themomentofinertia转动惯量parallel-axistheorem平行轴定理chapter8elasticity弹性elasticity弹性;弹力thestress【物】应力[u][c]strain应变theelasticlimit弹性极限theshearmodulus

7、切变模量standardatmosphericpressure标准大气压thehydrostaticpressure静水压力equationofcontinuity连续性方程theviscosity粘度spring弹簧arestoringforce恢复力simpleharmonicmotion简谐运动vibratorymotion振动运动theperiod()【数】循环节;周期thefrequency()频率theelasticpotentialenergy弹性势能thesimplependulu

8、m单摆chapter11wavemotion波动apropagatingwave波传播waveterminology波术语in-phasevibrations同相振动standingwaves驻波conditionsforresonance共振的条件longitudinal(compressional)waves纵向（挤压）波chapter12sound声音theintensey（i）强度loudness响度beats节拍dopplereffect多普勒效应interference