Question: A particle of mass m slides without friction on the inside of a cone. The axis of the cone is vertical, and gravity is directed downward. The apex half-angle of the cone is θ as shown. The path of the particle is a circle in the horizontal plane, with a speed v0 constrained to lie on the cylinder.
![671_cone.png](https://secure.tutorsglobe.com/CMSImages/671_cone.png)
a. Which of the following is the most accurate free body diagram for the mass?
![1995_mass.png](https://secure.tutorsglobe.com/CMSImages/1995_mass.png)