Question

The 9.09 kg ball is forced to rotate around the smooth surface inside the surface of a conical shell at the rate of 1 revolution (2π radian) in π/4 sec. Assume g=9.81 m/s^2
a. Find the tension in the cord.
b. Find the force on the conical shell.
c. At what speed in rev/min will the force on the shell becomes zero?

Answer 1

There are not enough data to unambiguously solve the problem.