Question

Three identical particles are joined together by a thread as shown in the figure. All the three particles are moving on a smooth surface horizontal plane about point O. If the speed of the outermost particle is V, then the ratio of tensions in the three sections of the string is: ( Assume that the string remains straight)

• ------------- • ------------ • ------------ •
O A B C
(1)3:5:7
(2)3:4:7
(3)7:11:6
(4)3:5:6
(Hint: the distance between each point is l)