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A block is placed on a horizontal table ...

A block is placed on a horizontal table which can rotate about its axis.The block is placed at certain distance from centre as shown in figure. Table rotates such that particle does not slide. See possible direction of net acceleration of block at the instant shown in figure

`{:(,"Column-I","Column-II"),(,(A)"When rotation is clockwise with constant "omega,(P)1),(,(B)"When rotation is clock wise with decreasing "omega,(Q)2),(,(C)"When rotation is clockwise with increasing "omega,(R)3),(,(D)"Just after clockwise rotation beings from rest",(S)4):}`

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A, B, C, D
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