Question 2.

The Music Department wants to move a piano up a flight of stairs. The movers tie a rope to the piano, and pull it up a ramp placed over the stairs. The ramp is very smooth (no friction). What forces are acting on the piano?
 
 
 
 
 

(A)

(B)
(C)
(D)
(E)
(F)
(G)
(H)
(I)
(J)
(K)