b$.$ Consider the case in which only the upper segment of the loop is in the magnetic field region. Is there an induced EMF in this case? Why or why not?

c$.$ When it exists, what is the direction of the induced EMF and current?

$q,$

$q,$

d$.$ What is the direction of the magnetic force on each of the four sides of the loop?

$q,$

e$.$ What is the direction of the net magnetic force on the loop?

$q,$

$q,$

f$.$ Going forward, consider the case in which the loop is falling at terminal speed $v_t$ and an induced EMF. What is the relationship between the magnetic force $F_B$ and

$3$