Question

1 A block B rests on AA rests on a horizontal
surface 'C' which is friction less. There is friction be-
tween A and B B is pulled to the right
1) B moves forward and A to the left
2) "B' only moves to the left
3) "B does not move
4) A and B move together to the nght​

Answer 1

2) "B' only moves to the left