Central Force Problem
Central Force Problem
Central Force Problem
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Unbounded Motion<br />
• Take V’ similar to 1/r 2 case<br />
• Only general features are relevant<br />
• E = E 1 r > r min<br />
E<br />
= V′<br />
( r )<br />
1 min<br />
• Particle can go infinitely far<br />
E 1<br />
V′<br />
() r<br />
1<br />
2 mr<br />
2<br />
Arrive from r = ∞<br />
E 2<br />
r<br />
Turning point<br />
E = V ′ r = 0<br />
Go toward r = ∞<br />
E 3<br />
A 1/r 2 force would<br />
make a hyperbola