,
attached to a string, moves in a horizontal circle of radius 
, with
tangential velocity 
. What is
the angle 
that the string makes with the
axis of the cone that the pendulum sweeps out.
The figure above shows what is known as a conical pendulum. The mass ,
attached to a string, moves in a horizontal circle of radius , with
tangential velocity . What is
the angle that the string makes with the
axis of the cone that the pendulum sweeps out.