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» 6mg 1.5 mg 3 mg mg Answer :A