knol2go knol
   
Hooke's Law

     
knol2go knol
   
This is the law that shows the relationship between the extension (or elongation) of a spring and the force that is applied to it. It is applicable when the spring has not reached its elastic limit. Once the elastic limit has been exceeded, the extension of the spring is no longer directly proportional to the force applied.
   
F
= ke
where
F = force applied
k = spring constant
e = extension of spring
   
I
f a graph of F against x is plotted, the gradient of the linear line is k. The unit for k is N/m or N/cm.
 
W
hen 2 springs are connected in parallel, the spring constant for the system (of 2 parallel springs) is 2k. If 3 springs are fixed in parallel then the spring constant of the system of springs is 3k, and so on.
   
W
hen 2 springs are connected in series, the spring constant of the system of springs is k/2. With 3 springs, it is k/3 and so on.
     
The bigger the spring constant, the stiffer (the less elastic) is the spring.
  

knol2go knolknol2go knolsemail usfacebook.com/knol2gotwitter.com/knol2goknol2go knolsknol2go knol
knol2go knol


  NotaKita.com
 
Hukum Hooke
           
Hukum ini menunjukkan perhubungan di antara pemanjangan spring dan daya yang dikenakan ke atas spring. Hukum ini benar sekiranya had elastik spring belum dilampaui. Setelah had elastik dilampaui, pemanjangan tidak lagi berkadar terus dengan daya yang dikenakan.
   
F = ke
   
d
i mana
F = daya yang dikenakan
k = pemalar spring
e = pemanjangan
   
S
ekiranya graf F melawan x diplotkan, kecerunan graf linear tersebut ialah k. Unit bagi k ialah N/m or N/cm.
 
A
pabila dua spring dipasangkan secara selari, pemalar spring bagi sistem dua spring menjadi 2k. Untuk sistem 3 spring selari, pemalar spring ialah 3k, dan sebagainya.
   
A
pabila spring disambungkan secara bersiri, pemalar sistem spring ialah k/2. Bagi sistem 3 spring bersiri, pemalar sistem spring ialah k/3, dan sebagainya.
 
S
emakin besar pemalar spring, semakin kurang kekenyalan spring.


knol2go knolknol2go knolsemail usfacebook.com/knol2gotwitter.com/knol2goknol2go knolsknol2go knol
knol2go knol
www.easy-hit-counter.com
Tag Heuer