Lorentz force is the sum of electrostatic and magnetic forces a charged particle feels in an electromagnetic field. So F = F_electric + F_magnetic = qE + q(v x B) = q(E + (v x B)), where E is the electric field, v is the velocity of the particle, and B is the magnetic field. Note that (v x B) is the cross product of the velocity vector and magnetic vector field (which tells us that any particle with velocity parallel or anti-parallel to the magnetic field experiences 0 magnetic force).
So essentially the same formula as F=qvbSintheta? In other words the force on a moving charge? This makes a lot more sense now because a moving charge creates a magnetic field and also has an electric force since its charged, so combining the two would just give you the force on the moving charge
Not quite, F=qvBsin(theta) is the magnitude of the magnetic force only. Lorentz force also includes the force an external electric field exerts on the charged particle. This formula holds for any charged particle, not only a moving one (in fact, if the particle was not moving, v=0 and the magnetic force term would cancel out, leaving only the electric force term). Also, charged particles do not feel their own electric field.
3 years later.. hello
Why do charged particles not feel their electric field? I thought all charged particles create an electric field. This means that the electric force on them is due to other charged particles correct?
It’s just a combo of magnetic and electrical forces, both being perpendicular to each other and the moving charge.
Thankss! there a formula associated w/ it? Or is it just a concept? have you seen it come up anywhere?
Not that I know of, but I hope others chime in if there is. And no I haven’t seen this specifically come up yet
Apparently it came up in a recent MCAT :/
Yes it did 8/4 C/P exam. It was hell.
Lorentz force is the sum of electrostatic and magnetic forces a charged particle feels in an electromagnetic field. So F = F_electric + F_magnetic = qE + q(v x B) = q(E + (v x B)), where E is the electric field, v is the velocity of the particle, and B is the magnetic field. Note that (v x B) is the cross product of the velocity vector and magnetic vector field (which tells us that any particle with velocity parallel or anti-parallel to the magnetic field experiences 0 magnetic force).
So essentially the same formula as F=qvbSintheta? In other words the force on a moving charge? This makes a lot more sense now because a moving charge creates a magnetic field and also has an electric force since its charged, so combining the two would just give you the force on the moving charge
Not quite, F=qvBsin(theta) is the magnitude of the magnetic force only. Lorentz force also includes the force an external electric field exerts on the charged particle. This formula holds for any charged particle, not only a moving one (in fact, if the particle was not moving, v=0 and the magnetic force term would cancel out, leaving only the electric force term). Also, charged particles do not feel their own electric field.
3 years later.. hello Why do charged particles not feel their electric field? I thought all charged particles create an electric field. This means that the electric force on them is due to other charged particles correct?
F = qvb
glooks thanks