Recent content by jobu

Thanks for the reply, Jay! Is there an expiration date on thanks? Something like "Best if thanked within 2 weeks of answer"? If so, sorry for the staleness :-D

Sorry to bump up an old homework problem, but I was wondering what k is in terms of the shear modulus in a problem like this. If you could assume the Jello here is a cube of elastic material, and that the jello's motion was planar, would this be the relation between k and shear modulus (G): k =...

thanks again for taking time to help me and for the clear explanations, AlephZero :smile:

Thanks for the explanation, AlephZero. It's really helpful! It seems like the period of oscillation would increase if the stiffness were decreased... is that what you meant here? I guess one part that still confuses me is the effect of the tension if I am treating the cable as a spring...

also, one of the assumptions in the problem is that there is no damping. For the second part of the question, I think that the force moving the mass would be equal to 2*the displacement of the mass from the cable midpoint if the cable acted as a regular spring. But since you can't really...

Homework Statement This problem isn't actually assigned homework for me, but I wanted to see if I get the concept. Any feedback and corrections to my answer would be appreciated! A cable is stretched between two anchors, and a small mass is attached to the cable, through the center of the...