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GR0177 First Problem Help

Posted: Fri Aug 10, 2007 7:45 pm
by paklun123
Can someone explain the first problem in GR0177 to me? I am confused as to how to find the direction of the acceleration of the pendulum.



Posted: Sun Oct 07, 2007 12:34 am
by vicente
There's the force of gravity and the tension from the string. Add them together to get the net force.