04-Dynamics

# 04-Dynamics - m 4 m v T v T Sample Problem 3 F 2 m 1 m 2 F...

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Newton’s First Law v v v v
Newton’s Second Law v 1 v 2 v 3 F net a

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Net Force F 1 a F 2 F 3 = F g F 4 F 1 = 8.0 N F 2 = - 2.0 N m = 1.5 kg a = ?
Newton’s Third Law F 1 F 2 F 1 F 2

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Friction F 1 F f F g N
Friction (cont) F f 1 g θ N -N θ θ

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Force of Gravity - Weight F g
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Newton and Universal Gravitation
Inverse Square Law m 1 m 2 r F -F

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Sample Problem 1 1.00 m F -F
Sample Problem 2 F g = G mm E /R E 2 m = 100 kg m E = 5.98 x 10 24 kg R E = 6.37 x 10 6 m G = 6.67 x 10 -11 Nm 2 /kg 2 R E m

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Relationship between g and G R E m R E m R E
Terminal Velocity F g F g F A F g F A a = g a < g v = v T

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Terminal Velocity (cont) F g F A v T

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Unformatted text preview: m 4 m v T v T Sample Problem 3 F 2 m 1 m 2 F 1 Sample Problem 4 F 2 F f = .30 m 1 = 1.0 kg m 2 = 2.0 kg a = ? m/s 2 m 2 m 1 Sample Problem 5 F 1 F 2 m 2 m 1 v 1 v 2 Sample Problem 6 F f 1 g N-N s = .330 k = .280 Find s , k Sample Problem 7 1.0 kg 9.0 kg v T v T k = .113 Find v T , v T Apparent Weight a mg N...
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## 04-Dynamics - m 4 m v T v T Sample Problem 3 F 2 m 1 m 2 F...

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