*静力学statics *运动学kinematics *动力学dynamics
*理论力学theoretical mechanics *约束 constraint *力系force system
*平衡力系balanced force system *刚体rigid body *力偶force couple
*力的平移定理 theorem of translation of a force
*主矢principal vector *主矩principal moment
*物体系统（物系） body system (bs) *滑动摩擦 sliding friction *摩擦角 angle of friction *自锁self-locking
*物体的重心 the center of gravity of object *轨迹 trajectory *速度velocity
*加速度 acceleration of a particle *运动方程equation of motion *转角angle of rotation
*转动方程 equation of rotation
*角速度 angular velocity
*角加速度 angular acceleration *匀速转动 uniform rotation *绝对速度 absolute velocity
*绝对加速度absolute acceleration *相对速度relative velocity
*相对加速度 relative acceleration *牵连速度 convected velocity
*牵连加速度 convected acceleration *绝对运动absolute motion *相对运动 relative motion *牵连运动convected motion
*科氏加速度 coriolis acceleration
*平面运动方程 equations of plane motion *质点 particle
*动量 momentum *冲量 impulse
*动量矩moment of momentum *功率 power
*动能 kinetic energy
*动静法dynamic-static method *虚位移 virtual displacements *虚功 virtual work
