In a conical pendulam, when the bob moves in a horizontal circle of radius r with uniform speed v, the string of length L describes a cone of semivertical angle `theta`. The tension in the string is given by

Options

A. `T=(mgL)/sqrt(L^2-r^2)`
B. `T=(L^2-r^2)^(1//2)/(mgL)`
C. `T=(mgL)/((L^2-r^2))`
D. `T=(mgL)/(L^2-r^2)^2`

Answer

A