Physics question magnetic field?

Question

Wut force will the rod that rests on the 2 parallell rails feel when the battery switch is closed

a. to the right

b. out of the page

c. to the left

d. into the page

please EXPLAIN answer...

http://s336.photobucket.com/albums/n343/physicsdude69/?action=view&current=phys2.jpg

Answer 1

c. to the left

If it were to go to the left while the switch was on then the rod would have already been up against the battery.