学习必备欢迎下载part one mechanics力学chapter 1 kinematics — uniformly accelerated motion运动学，匀加速运动frame of reference: 参照系position vector and displacement 位置向量和位移speed velocity 速度instantaneous velocity 瞬时速度velocity components 速度分量acceleration 加速度graphical interpretation图像释义uniformly accelerated motion along a straight line 匀加速直线运动acceleration due to gravity (g) 重力加速度projectile problems落体问题relative motion 相对运动chapter 2 dynamics-- newton's laws of motion动力学- 牛顿运动定律general properties of forces in mechanics: 力的基本性质1 the law of universal gravitation万有引力定律2the weight 重量3 the tensile force 拉力4 the normal force 法向力5 the friction force 摩擦力6 dimensional analysis 三维分析chapter 3 equilibrium平衡concurrent forces 共点力 are forces whose lines of action all pass through a common point. the forces acting on a point object are concurrent because they all pass through the same point, the point object. equilibrium 平衡rigid body 刚体the torque (or moment) 转矩或力矩the two conditions for equilibrium 平衡的两个条件the center of gravity 重心axis 轴chapter 4 work and energy 功和能kinetic energy (ke) 动能conservative force 保守力⑵gravitational (weight) potential energy (peg) 重力（重量）势能⑵ elastic potential energy 弹性势能the efficiency 效率chapter 5 impulse and momentum the linear momentum 冲量与动量an impulse 冲量collisions and explosions 碰撞和爆炸a perfectly elastic collision 完全弹性碰撞学习必备欢迎下载coefficient of restitution恢复系数the center of mass 重心chapter 6 rotation转动the angular speed 角速度the angular acceleration 角加速度tangential 【数】切线 ;正切centripetal acceleration ( ) 加速度the centripetal force 向心力chapter 7 rigid-body rotation刚体转动the moment of inertia 转动惯量parall...
