A ball of mass .m. is rotated in a vertical by a string. The difference in tension at the top and bottom would be

A ball of mass .m. is rotated in a vertical by a string. The differenc

1.	A ball of mass .m. is rotated in a vertical by a string. The difference in tension at the top and bottom would be
Answer» <html><body><p>6mg<br/>1.5 mg<br/>3 mg<br/>mg</p>Answer :A</body></html>