lecture09

# lecture09 - P5 Example of Forces(no friction Weight and...

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Physics 131 Spring 2008 Dongping Zhong Lecture 9 (Friday, Apr 11) Force and Motion Page 1 Equilibrium, Dynamics, Kinematics

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P2 Equilibrium (1 st law) Object at rest or moving with constant velocity 0 = = i i net F F v v Dynamics (2 nd law) Object accelerating a m F F i i net v v v = =
P3 Newton’s 3 rd law: A B F BA F AB mg F F F F BA AB BA AB = = = v v m

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P4 Example of Forces (no friction) Tension (T) m T mg m 2 m 1 Note: T=T 1 =T 2 m 1 =3 kg, m 2 =2 kg Find a.

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Unformatted text preview: P5 Example of Forces (no friction) Weight and “Normal” Force m N mg Inclined Plane m θ P6 Inclined Plane (no friction) θ θ N θ sin cos mg F mg N = = mg F m=2.1 kg, θ =40 Find: a P7 Ex: m 2 m 1 m 1 =3.3 kg m 2 =2.2 kg Find: a, T P8 Ex: m 2 m 1 m 1 =3.3 kg m 2 =2.2 kg Find: a, T θ =30...
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## This note was uploaded on 04/18/2008 for the course PHYS 131 taught by Professor Reay during the Spring '08 term at Ohio State.

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lecture09 - P5 Example of Forces(no friction Weight and...

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