- #1
hokhani
- 483
- 8
suppose a rod of mass m and resistance R,is going down the inclined surface in the uniform magnetic field( see figure).
in the steady state the velosity of rod will be constant. if we use the work-kinetic energy theorem,
W= delta K
deltak=0(kinetic energy is constant)
you know W is pertaining to gravity force and magnetic force
and i think W also include dissipation energy in wire namely (i^2)R(deltat)
from this point of view i can't get the correct response for the stady state velocity of rod
(it is double of the correct answer)?!
in the steady state the velosity of rod will be constant. if we use the work-kinetic energy theorem,
W= delta K
deltak=0(kinetic energy is constant)
you know W is pertaining to gravity force and magnetic force
and i think W also include dissipation energy in wire namely (i^2)R(deltat)
from this point of view i can't get the correct response for the stady state velocity of rod
(it is double of the correct answer)?!