Homework Help: physics ---- really dnt get this at all

Posted by ashley --- HELP PLEASEE!!! on Sunday, April 10, 2011 at 8:00pm.

if friction is set to zero and on planet Earth. Now, if you attach a mass to the spring from its initial equilibrium position, it vibrates forever in simple harmonic motion. Why doesn't it come to rest after stretching by a distance 'd'; proportional to the weight of the mass, when the spring's restoring force cancels out the weight of the mass? How will you measure the equilibrium position? How can you attach the mass to the spring so that it doesn't oscillate when you let go?

physics ---- really dnt get this at all - bobpursley, Sunday, April 10, 2011 at 8:31pm
Well, it falls to d, but it has velocity, which takes it further than d, finally, the velocity is zero, but now the spring pulls it up, and is goes and goes.

Compare it to a pendulum, you raise it, and behold, it passes the equilibrium position at the bottom, and moves upward on the other side.
physics ---- really dnt get this at all - ashley --- HELP PLEASEE!!!, Sunday, April 10, 2011 at 9:00pm
thank u so much it makes sense

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