Phrak said:Do you think work should be done? Work is done where the force has a component in the direction of the velocity.
Not true. Counter-example: a particle sliding across a frictionless table with velocity v. There is no work being done, but then energy is non-zero.spidey said:if w=0 then energy =0
Perhaps, the charge was traveling at velocity v before it entered the magnetic field?spidey said:then how the charge q goes at velocity v in field B.from where the charge q gets energy?
The Lorentz force is a fundamental law of electromagnetism that describes the force experienced by a charged particle moving in an electric and magnetic field. It is given by the cross product of the electric field and the velocity of the particle, and the magnetic field and the charge of the particle.
The work done by the Lorentz force is the product of the magnitude of the force and the distance moved in the direction of the force. It represents the energy transfer from the electric and magnetic fields to the charged particle.
The direction of the Lorentz force is perpendicular to both the electric and magnetic fields, and also perpendicular to the direction of motion of the charged particle. This is known as the "right-hand rule".
The Lorentz force can cause charged particles to accelerate, decelerate, or change direction. It is responsible for the motion of charged particles in electric motors, generators, and other electromagnetic devices.
The Lorentz force is one of the fundamental laws of electromagnetism, along with the electric and magnetic fields. It is essential in understanding the behavior of charged particles in electric and magnetic fields, and plays a crucial role in many technological applications.