A block is placed on a horizontal table which can rotate about its axis. A block is placed at a certain distance from centre as shown in figure. Table rotates such that particle does not slide. Select possible direction of net acceleration of block at the instant shown in figure. Then match the column.
`{:(" Column-I"," Column-II"),("(A) When rotation is clockwise with constant " omega ,"(P) 1"),("(B) When rotation is clockwise with decreasing "omega,"(Q) 2"),("(C) When rotation is clockwise with increasing "omega,"(R) 3"),("(D) Just after clockwise rotation begins from rest","(S) 4"):}`

Answer

A-R;B-R;C-Q;D-P