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physik vl für bbw und ern
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leider niht ganz vollständig
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Mechanik d. MassepunktesBetrachtung von
Bewegung und Verformung /
•
Kräften
Zunächst
Bewegung und Kräfte
Kinematik
geometer Beschrieb von
.
.
Bewegung in Raum / Zeit
↳
Richtung , weg Zeit
.
Beschleunigung
.
E (m
)
:
urjpiunji
' ' ' '
o -
I ◦ |
-
1
1
✗ = ✗z -
✗,
✗ = ✗ z -
✗n = 2 (m) -
( 1) [n]
-
=
2+1 =3
unabh . Vom
Bezugssystem
Zeit : [S ] [Sek ]
It = tz -
Es →
Zeitintervall
, Ort / Zeit Diagramm - wie
schnell kommt
man wo au
?
☐ Orten]
✗
Join tsektm
lineare 2 Sek 2m
3- •
Bewegung in
|
\ T
,
2- •
' ' '
z
n 70
Verschiebung
- •
I I
I I
0 Zeit [sec]
Ö ! { ] y g- G t
✗ ✗ [ m]
G-
- i - -
-
- in 2s auf 2m
5-
4-
.
.
bis 4s stehen
3- .
.
.
. . .
_ .
in zsek bis 6m
:
.
: :
tis ]
iii. iii.
g. skigung
}
'
'
' ' '
'
:
Geschwindigkeit ändert
; ganze sich
Zeit
: →
Verschiebung pro
F.
nun
¥;
dm 's K¥7 s = -
=
, Durchschnittsgeschwindigkeit :
Vgem =m .
It gem .
Momentan
geschwindigkeit - Geschwindigkeit
einem Moment
in
•
Zeitintervall
-21 < t < tz
EE
"
iii.
=
t s
-
Ez
! vlt ) bin sx
GE
=
=
1- c- → OST
Beschleunigung ÄnderungZeit :
in
von Geschwind
C-
.
•
möglich
negative Bewegungenaber .
meist nicht lol
-
Zeit bleibt konstant positiv
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