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Ôå÷íéêÜ ¶ñèñá ¶ñèñá äçìïóéåõìÝíá óå ðåñéïäéêÜ Þ óå éóôïóåëßäåò. ÁíáöÝñåôå ðÜíôá ôçí ðçãÞ.

ÁðÜíôçóç óôï èÝìá
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Åñãáëåßá ÈåìÜôùí Ôñüðïé åìöÜíéóçò
  #1  
ÐáëéÜ 08-01-10, 15:27
Ôï avatar ôïõ ÷ñÞóôç EVANGELOS
EVANGELOS Ï ÷ñÞóôçò EVANGELOS äåí åßíáé óõíäåäåìÝíïò
åãþ åßìáé ï Íßêïò Êïõêïò
  
ÅããñáöÞ: 29-09-2005
Ìçíýìáôá: 5.534
EVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud of
ËÉÃÇ ÖÕÓÉÊÇ
ÄéáâÜæïíôáò ìéá ðñïóðÜèåéá ôïõ ößëïõ mpower01, óôï ðñïóöÜôùò åãêáéíéáóèÝí ðå åì âå öáíò öüñïõì , ç ïðïßá äåí óôÝöçêå ìå åðéôõ÷ßá áöïõ êáôÝâçêå áìÝóùò , åßðá íá ãñÜøù åäþ Ýíá ðáñüìïéï èñåíôÜêé ðïõ ðïëý êáéñü ôþñá Þèåëá êáé åëðßæù íá ôïí âïçèÞóåé þóôå íá åðáíáëÜâåé ôçí ðñïóðáèåéÜ ôïõ ... ùò óõíÞèùò åðéôñÝðïíôáé üëåò ïé áíôéãñáöÝò åëåýèåñá êáé äåí Ý÷ù êáíÝíá èÝìá áí èá áíáöåñèåß ùò ðçãÞ ôï ðáñüí Þ ü÷é !

Ôï èÝìá ëïéðüí åßíáé ðùò åðçññåÜæïõí ôá äéÜöïñá ôå÷íéêÜ ÷áñáêôçñéóôéêÜ (âÜñïò , éó÷ýò , áåñïäõíáìéêÞ , êëéìÜêùóç êëð) ôçí áðüäïóç (ìå üñïõò åðéôÜã÷õíóçò êáé ìüíï - handling etc äåí áðïôåëïýí áíôéêÝéìåíï ôçò ðáñïýóçò) åíüò áõôïêéíÞôïõ.

Áñ÷éêÜ èá ðù üôé üëá ôá óõìðÝñáóìá ðïõ èá âãïýí ÁÐËÁ ÅÐÉÂÅÂÁÉÙÍÏÕÍ áõôü ðïõ Þäç îÝñïõìå , ï óêïðüò ÄÅÍ åßíáé íá áíáêáëýøïõìå êáéíïýñãéá ðñÜãìáôá áëëÜ íá ôåêìçñéùèïýí (ëßãï åðéóôçìïíéêÜ) áõôÜ ðïõ îÝñïõìå ÇÄÇ !!! ...

1ï èÝìá åßíáé ç óõó÷Ýôçóç áíáëïãßáò êéëþí áíÜ ßððï (kg/hp) ìå ôçí åðéôÜã÷õíóç.

ÁðëÜ ëïéðïí ëÝù üôé éó÷ýåé

ÅëêôéêÞ Äýíáìç - Áåñïäõíáìßêåò áíôéóô. - Ôñéâåò = ÌÜæá x EðéôÜ÷õíóç

ÅëêôéêÞ Äýíáìç =F= ç äýíáìç ðïõ áðü ôï ìïôÝñ êáé ôç ìåôÜäïóç öôÜíåé ôïõò ôñï÷ïýò êáé ôåëéêÜ óôï äñüìï êáé ÓÐÑÙÍ×ÅÉ ôï áõôïêßíçôï

Áåñïäõíáìßêåò áíôéóô.= Á = ç áíôßóôáóç ôïõ áÝñá (äýíáìç) ðïõ áíôéóôÝêåôáé óôçí êéíçóÞ ôïõ êáèþò ôï áìÜîé áðïêôÜ ôá÷ýôçôá

Ôñéâåò = Ô =ç ôñéâÝò êýëçóçò óôç äéåðéöÜíåéá åëáóôéêïý - äñüìïõ

ÌÜæá = Ì = ç ìÜæá ôïõ áõôïêéíÞôïõ

EðéôÜ÷õíóç = ã = ç åðéôÜ÷õíóç ôïõ áõôïêéíÞôïõ

Üñá

F - A - T = m * ã

áðü üðïõ ôåëéêÜ

ã = F/m - (A+T)/m

O üñïò F/m äçëáäÞ åëêôéêÞ äýíáìç ðñïò ìÜæá åßíáé éóïäýíáìïò ôïõ üñïõ Ñ/m äçëÜäÞ ÉÓ×ÕÏÓ ðñïò ìÜæá ...

êáé áõôü ãéáôß ç åëêôéêÞ äýíáìç éóïýôáé ìå ôçí éó÷ý (ðïõ öôÜíåé óôï äñüìï Ï×É ôçí ïíïìáóôéêÞ ôïõ ìïôÝñ) åðß ôçí ôá÷ýôçôá (P=F*u)

Üñá ç áíáëïãßá F/m ãéá Ýíá áìÜîé åßíáé ßóç ìå ôçí áíáëïãßá Ñ/m (äçëáäÞ ßððï áíÜ êéëü).

Ãéá íá åîáëåßøïõìå áóôÜèìçôïõò ðáñÜãïíôåò èá ðÜñïõìå ôï ðáñÜäåéãìá 2 ïëïßäéùí (ìåôÜäïóç, êëéìÜêùóç, áåñïäõíáìéêÞ, ìïñöÞ êáìðýëçò ëåéôïõñãßáò ìïôÝñ êëð êëð) áõôïêéíÞôùí.

¸÷ïõìå ëïéðüí

ÄÕÏ OËÏÉÄÉÁ ÁÌÁÎÉÁ (ð.÷. Æ3 3.0ëô ÅSS ) ÌÅ ÉÄÉÁ ÁÍÁËÏÃÉÁ ßððï áíÜ êéëü

áìÜîé 1 ìå éó÷ý P1 , ìÜæá m1

áìÜîé 2 ìå éó÷ý P2 , ìÜæá m2

êáé Ñ1/m1 = Ñ2/m2 ... êáé Üñá áíôßóôïé÷á F1/m1 = F2/m2

êáé ðñïöáíþò ãéá íá Ý÷ïõí ßäéá áíáëïãßá ... m1>m2

Ôï áìÜîé 1 äçëáäÞ Ý÷åé ÐÁÑÁÐÁÍÙ ÉÓ×Õ êáé ÐÁÑÁÐÁÍÙ ÌÁÆÁ (Üñá êáé âÜñïò)

Ðïéü åßíáé ðéï ãñÞãïñï (Ý÷åé ìåãáëýôåñç åðéôÜã÷õíóç) ???

Áðü ôçí ðáñáðÜíù åîßóùóç Ý÷ïõìå

áìÜîé 1 ... ã1 = F1/m1 - (A+T)/m1

áìÜîé 2 ... ã2=F2/m2 - (A+T)/m2

áöïý üìùò F1/m1 = F2/m2 êáé áöïý m1>m2 , üðùò åßíáé öáíåñü

ã1>ã2 , äçëáäÞ

ôï áìÜîé 1 (ÐÏÕ Å×ÅÉ ÐÁÑÁÐÁÍÙ ÁËÏÃÁ ÊÁÉ ÐÁÑÁÐÁÍÙ ÂÁÑÏÓ) Ý÷åé êáé ÌÅÃÁËÕÔÅÑÇ ÅÐÉÔÁ×ÕÓÍÇ !!!

Óõíåðþò ìåôáîý

Äýï ßäéùí áìáîéþí ìå ÉÄÉÁ áíáëïãßá êéëïý áíÜ ßððïõ ÔÏ ÐÉÏ ÄÕÍÁÔÏ êáé Ï×É ôï ðéï åëáöñý åßíáé ÐÉÏ ÃÑÇÃÏÑÏ !!!!

Óõíåðþò èåùñçôéêÜ åßíáé ðñïôéìüôåñï íá áõîÞóåéò 10% (ðáíôïý üìùò ü÷é ìüíï óôç ìÝãéóôç ôéìÞ) ôçí éððïäýíáìç ðáñÜ íá ìåéþóåéò 10% ôï âÜñïò óôï áìÜîé óïõ áí èåò íá ðáò ðéï ãñÞãïñá óôçí åõèåßá !!!

¼ìùò ðñáêôéêÜ ÄÅÍ åßíáé åýêïëï íá áõîÞóåéò ÐÁÍÔÏÕ (óå üëï ôï öÜóìá) ôçí éððïäýíáìç ïðüôå ðéèáíþò ìéá áýîçóç óå ìåñéêü åýñïò ìå ðáñÜëëçëç ìåßùóç éððïäýíáìçò óå Ýíá Üëëï åýñïò íá ìçí áðïäþóåé ôï ßäéï ìå éóüðïóç (óå ðïóïóôü) ìåßùóç êéëþí , ðïõ åßíáé ÓÉÃÏÕÑÏ üôé èá áðïäþóåé èåôéêÜ.

ÐÜíôùò åßíáé ÐÏËÕ ðéï äýóêïëï íá ìåéþóåéò 10% ôï âáñïò (ð.÷. 150 êéëÜ óå Ýíá Ì3 Å46) óå ó÷Ýóç ìå áíôßóôïé÷ç áýîçóç éððïäýíáìçò.

ÁõôÜ ðñïò ôï ðáñüí , èá ãñÜøù ìåôÜ ãéá ôï ôé ãßíåôáé ìå ôéò áåñïäõíáìéêÝò ôñéâÝò êáé áðü ðïéü óçìåßï êáé ìåôÜ áðïêôïýí êõñßáñ÷ï ñüëï ìáæß ìå ôçí éó÷ý óå ó÷Ýóç ìå ôï âÜñïò !!!

âéå âéå !!! ...
ÁðÜíôçóç ìå ðáñÜèåóç
  #2  
ÐáëéÜ 08-01-10, 15:39
Ôï avatar ôïõ ÷ñÞóôç gkaos
gkaos Ï ÷ñÞóôçò gkaos äåí åßíáé óõíäåäåìÝíïò
Experienced User
  
ÅããñáöÞ: 27-09-2006
Ìçíýìáôá: 284
gkaos is on a distinguished road
ÐáñÜèåóç:
Áñ÷éêÞ Äçìïóßåõóç áðü EVANGELOS ÅìöÜíéóç ìçíõìÜôùí


áöïý üìùò F1/m1 = F2/m2 êáé áöïý m1>m2 , üðùò åßíáé öáíåñü

ã1>ã2 , äçëáäÞ

ôï áìÜîé 1 (ÐÏÕ Å×ÅÉ ÐÁÑÁÐÁÍÙ ÁËÏÃÁ ÊÁÉ ÐÁÑÁÐÁÍÙ ÂÁÑÏÓ) Ý÷åé êáé ÌÅÃÁËÕÔÅÑÇ ÅÐÉÔÁ×ÕÓÍÇ !!!



âéå âéå !!! ...
åôóé åéíáé (ôùñá åéäá ôéò ôñéâåò ëáè0ò ìïõ..)
Ôåëåõôáßá åðåîåñãáóßá áðü ôï ÷ñÞóôç gkaos : 08-01-10 óôéò 15:47 Áéôßá: correction
ÁðÜíôçóç ìå ðáñÜèåóç
  #3  
ÐáëéÜ 08-01-10, 15:43
Ôï avatar ôïõ ÷ñÞóôç EVANGELOS
EVANGELOS Ï ÷ñÞóôçò EVANGELOS äåí åßíáé óõíäåäåìÝíïò
åãþ åßìáé ï Íßêïò Êïõêïò
  
ÅããñáöÞ: 29-09-2005
Ìçíýìáôá: 5.534
EVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud of
ÐáñÜèåóç:
Áñ÷éêÞ Äçìïóßåõóç áðü gkaos ÅìöÜíéóç ìçíõìÜôùí
êáôé äå ðáåé êáëá áí m1>m2 ôïôå ã2>ã1 ê ï÷é ã1>ã2!!
m1>m2

Üñá

1/m1 < 1/m2

(A+T)/m1 < (A+T)/m2

-(A+T)/m1 > -(A+T)/m2 (áöïý Üëëáîáí ðñüóçìï)

ã1=F1/m1-(A+T)/m1> F2/m2 - (A+T)/m2=ã2 (áöïý F1/m1=F2/m2)

Üñá

ã1 > ã2
ÁðÜíôçóç ìå ðáñÜèåóç
  #4  
ÐáëéÜ 08-01-10, 15:48
Ôï avatar ôïõ ÷ñÞóôç gkaos
gkaos Ï ÷ñÞóôçò gkaos äåí åßíáé óõíäåäåìÝíïò
Experienced User
  
ÅããñáöÞ: 27-09-2006
Ìçíýìáôá: 284
gkaos is on a distinguished road
Ôï êáíá edit
ÁðÜíôçóç ìå ðáñÜèåóç
  #5  
ÐáëéÜ 08-01-10, 15:50
Ôï avatar ôïõ ÷ñÞóôç EVANGELOS
EVANGELOS Ï ÷ñÞóôçò EVANGELOS äåí åßíáé óõíäåäåìÝíïò
åãþ åßìáé ï Íßêïò Êïõêïò
  
ÅããñáöÞ: 29-09-2005
Ìçíýìáôá: 5.534
EVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud of
ôï åßäá !!! ÷å÷å !!! ïê !!!
ÁðÜíôçóç ìå ðáñÜèåóç
  #6  
ÐáëéÜ 08-01-10, 15:53
Ôï avatar ôïõ ÷ñÞóôç gkaos
gkaos Ï ÷ñÞóôçò gkaos äåí åßíáé óõíäåäåìÝíïò
Experienced User
  
ÅããñáöÞ: 27-09-2006
Ìçíýìáôá: 284
gkaos is on a distinguished road
Óå áíçöïñá ïìùò å÷ïõìå êáé -mgóõíö
ïðïôå ðáíù áðï êáðïéá êëéóç ôï âáñõ ÷áíåé
ÁðÜíôçóç ìå ðáñÜèåóç
  #7  
ÐáëéÜ 08-01-10, 16:05
Ôï avatar ôïõ ÷ñÞóôç EVANGELOS
EVANGELOS Ï ÷ñÞóôçò EVANGELOS äåí åßíáé óõíäåäåìÝíïò
åãþ åßìáé ï Íßêïò Êïõêïò
  
ÅããñáöÞ: 29-09-2005
Ìçíýìáôá: 5.534
EVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud of
Óôçí áíçöüñá Ý÷ïõìå

F - (A+T) - m*g*sinö = m * ã

Üñá

ã = F/m - (A+T)/m - g*sinö

óõíåðþò ðÜëé éó÷ýåé ( F1/m1= F2/m2 , m1 > m2)

ã1 = F1/m1 - (A+T)/m1 - g*sinö

ã2 = F2/m2 - (A+T)/m2 - g*sinö

Üñá

ã1-ã2 = (A+T)/m2 - (A+T)/m1 (ôá F/m êáé g*sinö áðëïðïéïýíôáé)

óõíåðþò ÔÏ ÉÄÉÏ ÌÅ ÔÇÍ ÅÕÈÅÉÁ !!!

Ï åðçñåáóìüò ôçò áíçöüñáò åßíáé ÁÍÁËÏÃÏÓ ... ç ßäéá ÅÐÉÂÑÁÄÕÓÍÇ áóêåßôáé óå ÏËÁ ôá ï÷Þìáôá (óôï âáñý ìåãÜëç äýíáìç , óôï åëáöñý ìéêñÞ Üñá ÉÄÉÁ åðéâñáäõíóç)

Áõôü ðïõ éó÷ýåé ÌÏÍÏ åßíáé üôé ôï âáñý èá áðïêôÞóåé ÔÅËÉÊÁ ìåãáëýôåñç ìÝãéóôç ôá÷ýôçôá óôçí êáôçöüñá áí ôï áöÞóåéò íá ôóïõëÞóåé !!!
ÁðÜíôçóç ìå ðáñÜèåóç
  #8  
ÐáëéÜ 08-01-10, 16:13
Ôï avatar ôïõ ÷ñÞóôç saikoE39
saikoE39 Ï ÷ñÞóôçò saikoE39 äåí åßíáé óõíäåäåìÝíïò
Experienced User
  
ÅããñáöÞ: 05-02-2005
Ìçíýìáôá: 1.715
saikoE39 is just really nicesaikoE39 is just really nicesaikoE39 is just really nicesaikoE39 is just really nice
Káëá ïëá áõôá....!!!!
Âåâáéá íá ðù ïôé áõôá åéíáé ìéá ÷áñá..óôï ÷áñôé....ãéáôé óôçí ðñáîç....å÷åéò êáé åíáí ïäçãï....!!!!!!
ôåóðá...

ãéá ðå...ðùò èá õðïëïãéóù óå ðïóåò ñðì ðñåðåé íá êáíù áëëáãç.....?????????
ÁðÜíôçóç ìå ðáñÜèåóç
  #9  
ÐáëéÜ 08-01-10, 16:18
Ôï avatar ôïõ ÷ñÞóôç z3 2.2
z3 2.2 Ï ÷ñÞóôçò z3 2.2 äåí åßíáé óõíäåäåìÝíïò
Experienced User
  
ÅããñáöÞ: 30-10-2008
Ìçíýìáôá: 935
z3 2.2 is just really nicez3 2.2 is just really nicez3 2.2 is just really nicez3 2.2 is just really nice
Âáããåëç ôé åðáããåëåóáé?
Äåí åéìáé (áêïìá!) áäéáêñéôïò,áðëá ñùôáù !
__________________
Åéìáé åèéóìåíïò ìå ôïí åîáêõëéíäñï........
ÁðÜíôçóç ìå ðáñÜèåóç
  #10  
ÐáëéÜ 08-01-10, 16:18
Ôï avatar ôïõ ÷ñÞóôç EVANGELOS
EVANGELOS Ï ÷ñÞóôçò EVANGELOS äåí åßíáé óõíäåäåìÝíïò
åãþ åßìáé ï Íßêïò Êïõêïò
  
ÅããñáöÞ: 29-09-2005
Ìçíýìáôá: 5.534
EVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud ofEVANGELOS has much to be proud of
Ðïëéôéêüò Ìç÷áíéêüò ìáí ãéáôß ???
ÁðÜíôçóç ìå ðáñÜèåóç
ÁðÜíôçóç óôï èÝìá
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