Chapter32 Special relativity(狭义相对论) Two Postulates(狭义相对论的两个基本假设) The relativity of simultaneity(同时性的相对性) The relativity of time(时间间隔的相对性) The relativity of length(长度收缩) The Lorentz Transformation(洛仑兹变换式) new look at momentum, energy(相对论质量

Experiments show that a charged particle moving in a magnetic field experiences a force F=Q(v×B) Q-the charge of the particle, v-the velocity of the particle(vector), B-the magnetic field. there is also an electric field, the force acting on the particle is F=Q(E+v×B)