1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Circular motion - marble in bowl

  1. Sep 1, 2008 #1
    Can any one plz answer this question

    1.A glass marble of mass m is moving int a horizontal circle round the inside surface of a smooth hemispherical bowl of radius r. The centre of the circle is at a distance 1/2r below the centre of the bowl. (i) Find the magnitude of the reaction between the marbel and the bowl (ii) and the speed of the marble.
  2. jcsd
  3. Sep 2, 2008 #2


    User Avatar
    Homework Helper

    Note down the two forces acting on the marble.
    Marble is moving in a horizontal circle without slipping along the bowl.
    So identify equal and opposite camponents of the two forces acting on the marble.
    Other camponents of the two forces adds up to give the normal reaction.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook