A body of weight 10 N attached to one end of a string of length 1m is rotated in a vertical plane. At the instant when the stringmakes an angle of 60^(@) with the downward vertical the speed of the bob is sqrt(9.8) ms^(-1). The tension in the string at that instant is equal to

A body of weight 10 N attached to one end of a string of length 1m is

1.	A body of weight 10 N attached to one end of a string of length 1m is rotated in a vertical plane. At the instant when the stringmakes an angle of 60^(@) with the downward vertical the speed of the bob is sqrt(9.8) ms^(-1). The tension in the string at that instant is equal to
Answer» 10 N 15 N 20 N 25 N Answer :B