Kreisbewegung Flashcards

1
Q

Newtons Gravitationsgesetz

A

………..……m1*m2
FG= G * —————-
………………..r^2

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2
Q

gamma

A

6,67210^(-11) m^3/kgs

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3
Q

Fg ; Gewichtskraft (vereinfacht)

A

m*g

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4
Q

Fallbeschleunigung: g

A

…………. m
g(h)=gamma * —————
………. (r+ h)^2

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5
Q

g für erde ausrechnen durschnittsradius:

A

……………………..m
g = gamma * ——-
……………………(r+h)^2

…………………………. m^3…..5,97410^24kg
g= 6,67 * 10^(-11) —— * ————————-
………………………….. kg
s….(6,368*10^6m)^2

g= 9,826 m/s^2

Beim rechnen benutzt man meist g= 9,81m/s^2

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6
Q

r (erde)

A

6368 km = 6,368 *10^(6) m

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7
Q

Zentripetal kraft von außen betrachtet

Zeigt Richtung mittelpunkt

A

m*v^2
———-
r

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8
Q

Zentrifugalkraft von in dem system betrachtet

Zeigt weg vom Mittelpunkt

A

. m*v^2
Fz=———-
. r

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