Undergraduate
Physics

中心力と平面極座標

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Phyphy

Phyphy

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ノートテキスト

ページ1:

dva
dt
y
J
0
e
fussed for)
✓
x
> fir) cos
P(x,y)
=
→ス
(i) · (m²), (~) (
1
中心力と
平面極座標
cos-s
j'sin + cos
-- † cos☺ - F؃¯nð - ŕð sið - rö sin☺ - röces
= F cose - 2ŕösin ☺ - rö sin ŋ - rö'cos
day = [sino + rocose + FÖcos + röcos - tö sinə
dt
= r sin + 2 FO cose + rocoso - rö sind
Focos rösing
d2x
m
fon dry fir) cos B
dt
=
off(r) sing
Lux
- (1xx c40+ dx (20) = f(r)
m
M
dt
dt
on dir si - dry can ) = 0
dt

ページ2:

=
=
m
(
Lux
dvy
-Cost +
dt
dt
mr cos² ) - 2 r ð sig 6 cos - rösimcos — rö cos³Ð
+ir sin³ 0 + 2
0 = cos + rosin cost rosino
=m(F-rö³) = f(r) (204567)
dox
m
dt
d cost
-
(550050-270520 – гð såºð – þð³ƒÆÐ Ð§Ð
- 2 1 0 cos² - r ☹ co³ ³ 0 +
m ( - 2 r ð - 2 r ö ) = 0
m (2ŕ0 +2 rö ) = 0
2ŕ + 2r = 0
d
dk
+21
- (ro) = 0
こん=一定
2
-
(方位角方向)