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Is propedal on or off?
Posted : 29/07/2010 9:00 am
haha, if only!
Posted : 29/07/2010 9:03 am
Posted : 29/07/2010 9:06 am
Trail_rat... that should be
1/Ks = 1/Ka + 1/Kb
So, if you have two springs, length l, with the same k so Ka = Kb therefore
1/Ks = 1/Ka + 1/Ka = 2/Ka
Therefore for the combined spring
Ks = Ka/2
From this we can say that if you double the length of the spring, you halve the spring rate.
And by the reciprocal of this, halve the length of the spring, double the spring rate.
Simples...
Posted : 29/07/2010 9:13 am
Topic starter
thank you funky nick.
Posted : 29/07/2010 9:55 am
1/Ks = 1/Ka + 1/Kb
d'oh 😳
hadn't remembered that one.
Posted : 29/07/2010 9:56 am
Topic starter
i remembered half of it 😀 - story of my university career !
Posted : 29/07/2010 9:58 am
obviously better than mine....
Posted : 29/07/2010 10:05 am
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