Recent content by Inkage

  1. I

    At what angle does an object fall off a sphere?

    The three forces would be... (I think) 1. Centripetal acceleration (towards centre) 2. mg [mgcos(theta)] 3. Normal contact force? mgsin(theta)? Im so confused =.=
  2. I

    At what angle does an object fall off a sphere?

    Homework Statement A mass m is placed on the top of a smooth hemisphere of radius a such that theta = pi/2 it is given a very small impulse and as a result begins to slide down one side of the hemisphere under the influence of the gravitational acceleration g. Show that the mass flies off the...