Take the 2-minute tour ×
Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics. It's 100% free, no registration required.

I just would like to know If I am on the right track with this stuff. I have scanned the work I have done, sorry if it is a little messy. Disregard the top most $\ddot x$

A disk of radius R but with no mass rotates anti clockwise at a constant rate $\omega$. Attached to a point on the edge of the disk is a simple pendulum of length l and mass m. Use Lagrange's method to find the equations of motion of the mass.

Page one

Page 2

share|improve this question
Mathematica can help you to do this trivial task. –  hwlau Jan 20 '13 at 2:31
Looks good to me so far. –  Jaime Jan 20 '13 at 3:07
add comment

closed as too localized by David Z Jan 20 '13 at 3:04

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.