A particle of mass m is tied to light string and rotated with a speed v along a circular path of radius r. If T=tension in the string and `mg=` gravitational force on the particle then actual forces acting on the particle are

Options

A. mg and T only
B. mg, T and an additional force of `mv^(2)//r` directed inwards
C. mg, T and an additational force of `mv^(2)//r` directed outwards
D. only a force `mv^(2)//r` directed outward

Answer

a